Bump spotbugs-maven-plugin from 4.4.2 to 4.4.2.1 (#73)

Bumps [spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.4.2 to 4.4.2.1.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](spotbugs/spotbugs-maven-plugin@spotbugs-maven-plugin-4.4.2...spotbugs-maven-plugin-4.4.2.1)

---
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>

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

Author: dependabot[bot]

pom.xml

@@ -217,7 +217,7 @@
     <commons.surefire.version>3.0.0-M5</commons.surefire.version>
     <commons.felix.version>5.1.2</commons.felix.version>
     <biz.aQute.bndlib.version>5.3.0</biz.aQute.bndlib.version>
-    <spotbugs.plugin.version>4.4.2</spotbugs.plugin.version>
+    <spotbugs.plugin.version>4.4.2.1</spotbugs.plugin.version>
     <spotbugs.impl.version>4.4.2</spotbugs.impl.version>
     <commons.animal-sniffer.version>1.20</commons.animal-sniffer.version>
     <commons.japicmp.version>0.15.3</commons.japicmp.version>