Bump com.github.spotbugs:spotbugs-maven-plugin from 4.8.6.4 to 4.8.6.6

Bumps [com.github.spotbugs:spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.8.6.4 to 4.8.6.6.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](spotbugs/spotbugs-maven-plugin@spotbugs-maven-plugin-4.8.6.4...spotbugs-maven-plugin-4.8.6.6)

---
updated-dependencies:
- dependency-name: com.github.spotbugs:spotbugs-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -225,7 +225,7 @@
     <log4j-changelog-maven-plugin.version>0.9.0</log4j-changelog-maven-plugin.version>
     <maven-artifact-plugin.version>3.5.1</maven-artifact-plugin.version>
     <restrict-imports-enforcer-rule.version>2.6.0</restrict-imports-enforcer-rule.version>
-    <spotbugs-maven-plugin.version>4.8.6.4</spotbugs-maven-plugin.version>
+    <spotbugs-maven-plugin.version>4.8.6.6</spotbugs-maven-plugin.version>
     <spotless-maven-plugin.version>2.43.0</spotless-maven-plugin.version>
     <xml-maven-plugin.version>1.1.0</xml-maven-plugin.version>
     <!-- Due to a missing `maven-metadata.xml`, Dependabot does not update this automatically -->