chore(deps): Bump com.google.cloud:google-cloud-secretmanager (#20467)

Bumps [com.google.cloud:google-cloud-secretmanager](https://github.com/googleapis/google-cloud-java) from 2.80.0 to 2.81.0.
- [Release notes](https://github.com/googleapis/google-cloud-java/releases)
- [Changelog](https://github.com/googleapis/google-cloud-java/blob/main/java-document-ai/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-java/commits)

---
updated-dependencies:
- dependency-name: com.google.cloud:google-cloud-secretmanager
  dependency-version: 2.81.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

parent/pom.xml

@@ -211,7 +211,7 @@
         <google-cloud-http-client-version>2.0.2</google-cloud-http-client-version>
         <google-cloud-pubsub-version>1.144.0</google-cloud-pubsub-version>
         <google-cloud-pubsublite-version>1.15.20</google-cloud-pubsublite-version>
-        <google-cloud-secretmanager-version>2.80.0</google-cloud-secretmanager-version>
+        <google-cloud-secretmanager-version>2.81.0</google-cloud-secretmanager-version>
         <google-cloud-storage-version>2.60.0</google-cloud-storage-version>
         <google-cloud-aiplatform-version>3.81.0</google-cloud-aiplatform-version>
         <google-genai-version>1.31.0</google-genai-version>