chore(deps): update dependency com.google.cloud:google-cloud-logging-logback to v0.132.12-alpha (#1501)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-logging-logback](https://redirect.github.com/googleapis/java-logging-logback) | `0.132.11-alpha` -> `0.132.12-alpha` | [![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-logging-logback/0.132.12-alpha?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-logging-logback/0.132.12-alpha?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-logging-logback/0.132.11-alpha/0.132.12-alpha?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-logging-logback/0.132.11-alpha/0.132.12-alpha?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v0.132.12-alpha`](https://redirect.github.com/googleapis/java-logging-logback/blob/HEAD/CHANGELOG.md#013212-alpha-2025-07-29)

[Compare Source](https://redirect.github.com/googleapis/java-logging-logback/compare/v0.132.11-alpha...v0.132.12-alpha)

##### Dependencies

- Update dependency com.google.cloud:google-cloud-logging to v3.23.1 ([#&#8203;1499](https://redirect.github.com/googleapis/java-logging-logback/issues/1499)) ([a186531](https://redirect.github.com/googleapis/java-logging-logback/commit/a1865313956b10cd5c3dc5e6d383ec225f86799d))
- Update dependency com.google.cloud:sdk-platform-java-config to v3.50.2 ([#&#8203;1497](https://redirect.github.com/googleapis/java-logging-logback/issues/1497)) ([d1cc1da](https://redirect.github.com/googleapis/java-logging-logback/commit/d1cc1dafc955de3a54f95ff58fb9a53c9306fc2b))

</details>

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Author: renovate-bot

samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-logging-logback</artifactId>
-      <version>0.132.11-alpha</version>
+      <version>0.132.12-alpha</version>
     </dependency>
     <!-- [END logging-logback_install_without_bom] -->