chore(deps): update dependency com.google.cloud:google-cloud-firestore to v3.26.1 (#1823)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-firestore](https://redirect.github.com/googleapis/java-firestore) | `3.26.0` -> `3.26.1` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-firestore/3.26.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-firestore/3.26.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-firestore/3.26.0/3.26.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-firestore/3.26.0/3.26.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v3.26.1`](https://redirect.github.com/googleapis/java-firestore/blob/HEAD/CHANGELOG.md#3261-2024-09-16)

[Compare Source](https://redirect.github.com/googleapis/java-firestore/compare/v3.26.0...v3.26.1)

##### Dependencies

-   Update dependency com.google.api.grpc:proto-google-cloud-trace-v1 to v2.49.0 ([#&#8203;1818](https://redirect.github.com/googleapis/java-firestore/issues/1818)) ([bdc3875](https://redirect.github.com/googleapis/java-firestore/commit/bdc38754f97d721e716052634089c561f81b8f6c))
-   Update dependency com.google.cloud:google-cloud-trace to v2.49.0 ([#&#8203;1819](https://redirect.github.com/googleapis/java-firestore/issues/1819)) ([508b79f](https://redirect.github.com/googleapis/java-firestore/commit/508b79fcdabfb324520ba4c721022cad715c0d6e))

</details>

---

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Author: renovate-bot

java-firestore/samples/install-without-bom/pom.xml

@@ -30,7 +30,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-firestore</artifactId>
-      <version>3.26.0</version>
+      <version>3.26.1</version>
     </dependency>
     <!-- [END firestore_install_without_bom] -->
 

java-firestore/samples/snapshot/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-firestore</artifactId>
-      <version>3.26.0</version>
+      <version>3.26.1</version>
     </dependency>
 
     <dependency>