feat(privateca): update the api

#### privateca:v1

The following keys were added:
- schemas.IssuancePolicy.properties.backdateDuration (Total Keys: 2)

Author: yoshi-automation

docs/dyn/privateca_v1.projects.locations.caPools.html

@@ -149,6 +149,7 @@ <h3>Method Details</h3>
         },
       },
     ],
+    &quot;backdateDuration&quot;: &quot;A String&quot;, # Optional. The duration to backdate all certificates issued from this CaPool. If not set, the certificates will be issued with a not_before_time of the issuance time (i.e. the current time). If set, the certificates will be issued with a not_before_time of the issuance time minus the backdate_duration. The not_after_time will be adjusted to preserve the requested lifetime. The backdate_duration must be less than or equal to 48 hours.
     &quot;baselineValues&quot;: { # An X509Parameters is used to describe certain fields of an X.509 certificate, such as the key usage fields, fields specific to CA certificates, certificate policy extensions and custom extensions. # Optional. A set of X.509 values that will be applied to all certificates issued through this CaPool. If a certificate request includes conflicting values for the same properties, they will be overwritten by the values defined here. If a certificate request uses a CertificateTemplate that defines conflicting predefined_values for the same properties, the certificate issuance request will fail.
       &quot;additionalExtensions&quot;: [ # Optional. Describes custom X.509 extensions.
         { # An X509Extension specifies an X.509 extension, which may be used in different parts of X.509 objects like certificates, CSRs, and CRLs.
@@ -398,6 +399,7 @@ <h3>Method Details</h3>
         },
       },
     ],
+    &quot;backdateDuration&quot;: &quot;A String&quot;, # Optional. The duration to backdate all certificates issued from this CaPool. If not set, the certificates will be issued with a not_before_time of the issuance time (i.e. the current time). If set, the certificates will be issued with a not_before_time of the issuance time minus the backdate_duration. The not_after_time will be adjusted to preserve the requested lifetime. The backdate_duration must be less than or equal to 48 hours.
     &quot;baselineValues&quot;: { # An X509Parameters is used to describe certain fields of an X.509 certificate, such as the key usage fields, fields specific to CA certificates, certificate policy extensions and custom extensions. # Optional. A set of X.509 values that will be applied to all certificates issued through this CaPool. If a certificate request includes conflicting values for the same properties, they will be overwritten by the values defined here. If a certificate request uses a CertificateTemplate that defines conflicting predefined_values for the same properties, the certificate issuance request will fail.
       &quot;additionalExtensions&quot;: [ # Optional. Describes custom X.509 extensions.
         { # An X509Extension specifies an X.509 extension, which may be used in different parts of X.509 objects like certificates, CSRs, and CRLs.
@@ -602,6 +604,7 @@ <h3>Method Details</h3>
             },
           },
         ],
+        &quot;backdateDuration&quot;: &quot;A String&quot;, # Optional. The duration to backdate all certificates issued from this CaPool. If not set, the certificates will be issued with a not_before_time of the issuance time (i.e. the current time). If set, the certificates will be issued with a not_before_time of the issuance time minus the backdate_duration. The not_after_time will be adjusted to preserve the requested lifetime. The backdate_duration must be less than or equal to 48 hours.
         &quot;baselineValues&quot;: { # An X509Parameters is used to describe certain fields of an X.509 certificate, such as the key usage fields, fields specific to CA certificates, certificate policy extensions and custom extensions. # Optional. A set of X.509 values that will be applied to all certificates issued through this CaPool. If a certificate request includes conflicting values for the same properties, they will be overwritten by the values defined here. If a certificate request uses a CertificateTemplate that defines conflicting predefined_values for the same properties, the certificate issuance request will fail.
           &quot;additionalExtensions&quot;: [ # Optional. Describes custom X.509 extensions.
             { # An X509Extension specifies an X.509 extension, which may be used in different parts of X.509 objects like certificates, CSRs, and CRLs.
@@ -767,6 +770,7 @@ <h3>Method Details</h3>
         },
       },
     ],
+    &quot;backdateDuration&quot;: &quot;A String&quot;, # Optional. The duration to backdate all certificates issued from this CaPool. If not set, the certificates will be issued with a not_before_time of the issuance time (i.e. the current time). If set, the certificates will be issued with a not_before_time of the issuance time minus the backdate_duration. The not_after_time will be adjusted to preserve the requested lifetime. The backdate_duration must be less than or equal to 48 hours.
     &quot;baselineValues&quot;: { # An X509Parameters is used to describe certain fields of an X.509 certificate, such as the key usage fields, fields specific to CA certificates, certificate policy extensions and custom extensions. # Optional. A set of X.509 values that will be applied to all certificates issued through this CaPool. If a certificate request includes conflicting values for the same properties, they will be overwritten by the values defined here. If a certificate request uses a CertificateTemplate that defines conflicting predefined_values for the same properties, the certificate issuance request will fail.
       &quot;additionalExtensions&quot;: [ # Optional. Describes custom X.509 extensions.
         { # An X509Extension specifies an X.509 extension, which may be used in different parts of X.509 objects like certificates, CSRs, and CRLs.

googleapiclient/discovery_cache/documents/privateca.v1.json

@@ -1605,7 +1605,7 @@
 }
 }
 },
-"revision": "20250205",
+"revision": "20250219",
 "rootUrl": "https://privateca.googleapis.com/",
 "schemas": {
 "AccessUrls": {
@@ -2495,6 +2495,11 @@
 },
 "type": "array"
 },
+"backdateDuration": {
+"description": "Optional. The duration to backdate all certificates issued from this CaPool. If not set, the certificates will be issued with a not_before_time of the issuance time (i.e. the current time). If set, the certificates will be issued with a not_before_time of the issuance time minus the backdate_duration. The not_after_time will be adjusted to preserve the requested lifetime. The backdate_duration must be less than or equal to 48 hours.",
+"format": "google-duration",
+"type": "string"
+},
 "baselineValues": {
 "$ref": "X509Parameters",
 "description": "Optional. A set of X.509 values that will be applied to all certificates issued through this CaPool. If a certificate request includes conflicting values for the same properties, they will be overwritten by the values defined here. If a certificate request uses a CertificateTemplate that defines conflicting predefined_values for the same properties, the certificate issuance request will fail."