deps: update dependency com.google.auth:google-auth-library-bom to v1.12.0 (#870)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.auth:google-auth-library-bom](https://github.com/googleapis/google-auth-library-java) | `1.11.0` -> `1.12.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-bom/1.12.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-bom/1.12.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-bom/1.12.0/compatibility-slim/1.11.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.auth:google-auth-library-bom/1.12.0/confidence-slim/1.11.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/google-auth-library-java</summary>

### [`v1.12.0`](https://github.com/googleapis/google-auth-library-java/blob/HEAD/CHANGELOG.md#&#8203;1120-httpsgithubcomgoogleapisgoogle-auth-library-javacomparev1110v1120-2022-10-14)

[Compare Source](https://github.com/googleapis/google-auth-library-java/compare/v1.11.0...v1.12.0)

##### Features

-   Adding validation for psc endpoints ([#&#8203;1042](https://github.com/googleapis/google-auth-library-java/issues/1042)) ([b37a565](https://github.com/googleapis/google-auth-library-java/commit/b37a565c6c1e7acb44baf2307c862c9df8be9345))

##### Bug Fixes

-   Fixed javadoc errors ([#&#8203;945](https://github.com/googleapis/google-auth-library-java/issues/945)) ([1ddc994](https://github.com/googleapis/google-auth-library-java/commit/1ddc99481ae8b0f0eceb4cb442d5c6614ec8a411))

##### Documentation

-   **samples:** Modified comments in the samples and minor refactor ([#&#8203;990](https://github.com/googleapis/google-auth-library-java/issues/990)) ([669ab04](https://github.com/googleapis/google-auth-library-java/commit/669ab042844e46d0503bbd31fd2da92a7963bad5))

</details>

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Author: renovate-bot

java-shared-dependencies/first-party-dependencies/pom.xml

@@ -64,7 +64,7 @@
     <google.api-common.version>2.2.1</google.api-common.version>
     <google.common-protos.version>2.9.6</google.common-protos.version>
     <google.core.version>2.8.20</google.core.version>
-    <google.auth.version>1.11.0</google.auth.version>
+    <google.auth.version>1.12.0</google.auth.version>
     <google.http-client.version>1.42.2</google.http-client.version>
     <google.oauth-client.version>1.34.1</google.oauth-client.version>
     <google.api-client.version>2.0.0</google.api-client.version>