deps: update dependency com.google.cloud:google-cloud-firestore-bom t…

…o v3.13.6 (#6103)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-firestore-bom](https://togithub.com/googleapis/java-firestore) | `3.13.3` -> `3.13.6` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-firestore-bom/3.13.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-firestore-bom/3.13.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-firestore-bom/3.13.3/3.13.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-firestore-bom/3.13.3/3.13.6?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### ⚠ Dependency Lookup Warnings ⚠

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### Release Notes

<details>
<summary>googleapis/java-firestore (com.google.cloud:google-cloud-firestore-bom)</summary>

### [`v3.13.6`](https://togithub.com/googleapis/java-firestore/blob/HEAD/CHANGELOG.md#3136-2023-07-24)

[Compare Source](https://togithub.com/googleapis/java-firestore/compare/v3.13.5...v3.13.6)

##### Dependencies

-   Update dependency org.junit.vintage:junit-vintage-engine to v5.10.0 ([#&#8203;1368](https://togithub.com/googleapis/java-firestore/issues/1368)) ([188a8e9](https://togithub.com/googleapis/java-firestore/commit/188a8e9abfa3c500327e45327966e609b12b2267))

### [`v3.13.5`](https://togithub.com/googleapis/java-firestore/blob/HEAD/CHANGELOG.md#3135-2023-07-20)

[Compare Source](https://togithub.com/googleapis/java-firestore/compare/v3.13.4...v3.13.5)

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.13.1 ([#&#8203;1364](https://togithub.com/googleapis/java-firestore/issues/1364)) ([7dde6ee](https://togithub.com/googleapis/java-firestore/commit/7dde6ee0b0e39c72665314da25dd9a71aab29e75))

### [`v3.13.4`](https://togithub.com/googleapis/java-firestore/blob/HEAD/CHANGELOG.md#3134-2023-07-20)

[Compare Source](https://togithub.com/googleapis/java-firestore/compare/v3.13.3...v3.13.4)

##### Bug Fixes

-   Remove  'x-goog-request-params' header from GRPC requests due to incorrect format. ([#&#8203;1358](https://togithub.com/googleapis/java-firestore/issues/1358)) ([1a1bf5f](https://togithub.com/googleapis/java-firestore/commit/1a1bf5f101d44b0870b44ddf225ccd66d9c2bbc8))

</details>

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google-cloud-bom/pom.xml

@@ -200,7 +200,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-firestore-bom</artifactId>
-        <version>3.13.3</version>
+        <version>3.13.6</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>