Chore(deps): Bump spotbugs.version from 4.8.6 to 4.9.1

Bumps `spotbugs.version` from 4.8.6 to 4.9.1.

Updates `com.github.spotbugs:spotbugs` from 4.8.6 to 4.9.1
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](spotbugs/spotbugs@4.8.6...4.9.1)

Updates `com.github.spotbugs:spotbugs-annotations` from 4.8.6 to 4.9.1
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](spotbugs/spotbugs@4.8.6...4.9.1)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: com.github.spotbugs:spotbugs-annotations
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -35,7 +35,7 @@
     <spring.boot.version>3.3.5</spring.boot.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <spotbugs-maven-plugin.version>4.9.1.0</spotbugs-maven-plugin.version>
-    <spotbugs.version>4.8.6</spotbugs.version>
+    <spotbugs.version>4.9.1</spotbugs.version>
     <spotbugs-maven-plugin.failOnError>true</spotbugs-maven-plugin.failOnError>
     <hamcrest.version>3.0</hamcrest.version>
     <okhttp3.version>4.12.0</okhttp3.version>