Bump spotbugs.version from 4.8.6 to 4.9.0

Bumps `spotbugs.version` from 4.8.6 to 4.9.0.

Updates `com.github.spotbugs:spotbugs-annotations` from 4.8.6 to 4.9.0
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](spotbugs/spotbugs@4.8.6...4.9.0)

Updates `com.github.spotbugs:spotbugs` from 4.8.6 to 4.9.0
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](spotbugs/spotbugs@4.8.6...4.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -68,7 +68,7 @@
         <spotless.version>2.44.2</spotless.version>
         <google-java-format.version>1.25.2</google-java-format.version>
         <spotbugs-maven-plugin.version>4.8.6.6</spotbugs-maven-plugin.version>
-        <spotbugs.version>4.8.6</spotbugs.version>
+        <spotbugs.version>4.9.0</spotbugs.version>
         <buildnumber.plugin.version>3.2.1</buildnumber.plugin.version>
         <maven.gpg.plugin.version>3.2.7</maven.gpg.plugin.version>
         <asciidoctor.maven.plugin.version>3.1.1</asciidoctor.maven.plugin.version>