feat(discoveryengine): update the api

#### discoveryengine:v1alpha

The following keys were added:
- schemas.GoogleCloudDiscoveryengineV1alphaSearchResponse.properties.geoSearchDebugInfo (Total Keys: 2)
- schemas.GoogleCloudDiscoveryengineV1alphaSearchResponseGeoSearchDebugInfo (Total Keys: 4)
- schemas.GoogleCloudDiscoveryengineV1alphaWidgetConfig.properties.resultDisplayType.type (Total Keys: 1)

Author: yoshi-automation

docs/dyn/discoveryengine_v1alpha.locations.html

@@ -170,6 +170,7 @@ <h3>Method Details</h3>
     },
     &quot;llmEnabled&quot;: True or False, # Output only. Whether LLM is enabled in the corresponding data store.
     &quot;name&quot;: &quot;A String&quot;, # Immutable. The full resource name of the widget config. Format: `projects/{project}/locations/{location}/collections/{collection_id}/dataStores/{data_store_id}/widgetConfigs/{widget_config_id}`. This field must be a UTF-8 encoded string with a length limit of 1024 characters.
+    &quot;resultDisplayType&quot;: &quot;A String&quot;, # The type of snippet to display in UCS widget. - RESULT_DISPLAY_TYPE_UNSPECIFIED for existing users. - SNIPPET for new non-enterprise search users. - EXTRACTIVE_ANSWER for new enterprise search users.
     &quot;solutionType&quot;: &quot;A String&quot;, # Required. Immutable. Specifies the solution type that this WidgetConfig can be used for.
     &quot;updateTime&quot;: &quot;A String&quot;, # Output only. Timestamp the WidgetConfig was updated.
   },
@@ -575,6 +576,12 @@ <h3>Method Details</h3>
         ],
       },
     ],
+    &quot;geoSearchDebugInfo&quot;: [
+      { # Debug information specifically related to forward geocoding issues arising from Geolocation Search.
+        &quot;errorMessage&quot;: &quot;A String&quot;, # The error produced.
+        &quot;originalAddressQuery&quot;: &quot;A String&quot;, # The address from which forward geocoding ingestion produced issues.
+      },
+    ],
     &quot;guidedSearchResult&quot;: { # Guided search result. The guided search helps user to refine the search results and narrow down to the real needs from a broaded search results. # Guided search result.
       &quot;followUpQuestions&quot;: [ # Suggested follow-up questions.
         &quot;A String&quot;,

docs/dyn/discoveryengine_v1alpha.projects.locations.collections.dataStores.servingConfigs.html

@@ -373,6 +373,12 @@ <h3>Method Details</h3>
       ],
     },
   ],
+  &quot;geoSearchDebugInfo&quot;: [
+    { # Debug information specifically related to forward geocoding issues arising from Geolocation Search.
+      &quot;errorMessage&quot;: &quot;A String&quot;, # The error produced.
+      &quot;originalAddressQuery&quot;: &quot;A String&quot;, # The address from which forward geocoding ingestion produced issues.
+    },
+  ],
   &quot;guidedSearchResult&quot;: { # Guided search result. The guided search helps user to refine the search results and narrow down to the real needs from a broaded search results. # Guided search result.
     &quot;followUpQuestions&quot;: [ # Suggested follow-up questions.
       &quot;A String&quot;,

docs/dyn/discoveryengine_v1alpha.projects.locations.dataStores.servingConfigs.html

@@ -373,6 +373,12 @@ <h3>Method Details</h3>
       ],
     },
   ],
+  &quot;geoSearchDebugInfo&quot;: [
+    { # Debug information specifically related to forward geocoding issues arising from Geolocation Search.
+      &quot;errorMessage&quot;: &quot;A String&quot;, # The error produced.
+      &quot;originalAddressQuery&quot;: &quot;A String&quot;, # The address from which forward geocoding ingestion produced issues.
+    },
+  ],
   &quot;guidedSearchResult&quot;: { # Guided search result. The guided search helps user to refine the search results and narrow down to the real needs from a broaded search results. # Guided search result.
     &quot;followUpQuestions&quot;: [ # Suggested follow-up questions.
       &quot;A String&quot;,

googleapiclient/discovery_cache/documents/discoveryengine.v1alpha.json

@@ -2832,7 +2832,7 @@
       }
     }
   },
-  "revision": "20230925",
+  "revision": "20230928",
   "rootUrl": "https://discoveryengine.googleapis.com/",
   "schemas": {
     "GoogleApiHttpBody": {
@@ -3715,15 +3715,17 @@
             "STRING",
             "NUMBER",
             "INTEGER",
-            "BOOLEAN"
+            "BOOLEAN",
+            "GEOLOCATION"
           ],
           "enumDescriptions": [
             "Field type is unspecified.",
             "Field value type is Object.",
             "Field value type is String.",
             "Field value type is Number.",
             "Field value type is Integer.",
-            "Field value type is Boolean."
+            "Field value type is Boolean.",
+            "Field value type is Geolocation."
           ],
           "readOnly": true,
           "type": "string"
@@ -5030,6 +5032,12 @@
           },
           "type": "array"
         },
+        "geoSearchDebugInfo": {
+          "items": {
+            "$ref": "GoogleCloudDiscoveryengineV1alphaSearchResponseGeoSearchDebugInfo"
+          },
+          "type": "array"
+        },
         "guidedSearchResult": {
           "$ref": "GoogleCloudDiscoveryengineV1alphaSearchResponseGuidedSearchResult",
           "description": "Guided search result."
@@ -5107,6 +5115,21 @@
       },
       "type": "object"
     },
+    "GoogleCloudDiscoveryengineV1alphaSearchResponseGeoSearchDebugInfo": {
+      "description": "Debug information specifically related to forward geocoding issues arising from Geolocation Search.",
+      "id": "GoogleCloudDiscoveryengineV1alphaSearchResponseGeoSearchDebugInfo",
+      "properties": {
+        "errorMessage": {
+          "description": "The error produced.",
+          "type": "string"
+        },
+        "originalAddressQuery": {
+          "description": "The address from which forward geocoding ingestion produced issues.",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "GoogleCloudDiscoveryengineV1alphaSearchResponseGuidedSearchResult": {
       "description": "Guided search result. The guided search helps user to refine the search results and narrow down to the real needs from a broaded search results.",
       "id": "GoogleCloudDiscoveryengineV1alphaSearchResponseGuidedSearchResult",
@@ -5683,6 +5706,20 @@
           "description": "Immutable. The full resource name of the widget config. Format: `projects/{project}/locations/{location}/collections/{collection_id}/dataStores/{data_store_id}/widgetConfigs/{widget_config_id}`. This field must be a UTF-8 encoded string with a length limit of 1024 characters.",
           "type": "string"
         },
+        "resultDisplayType": {
+          "description": "The type of snippet to display in UCS widget. - RESULT_DISPLAY_TYPE_UNSPECIFIED for existing users. - SNIPPET for new non-enterprise search users. - EXTRACTIVE_ANSWER for new enterprise search users.",
+          "enum": [
+            "RESULT_DISPLAY_TYPE_UNSPECIFIED",
+            "SNIPPET",
+            "EXTRACTIVE_ANSWER"
+          ],
+          "enumDescriptions": [
+            "Unspecified display type (default to showing snippet).",
+            "Display results from the snippet field.",
+            "Display results from extractive answers field."
+          ],
+          "type": "string"
+        },
         "solutionType": {
           "description": "Required. Immutable. Specifies the solution type that this WidgetConfig can be used for.",
           "enum": [