Bump spotbugs from 4.5.3 to 4.6.0 (#96)

Bumps [spotbugs](https://github.com/spotbugs/spotbugs) from 4.5.3 to 4.6.0.
- [Release notes](https://github.com/spotbugs/spotbugs/releases)
- [Changelog](https://github.com/spotbugs/spotbugs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spotbugs/spotbugs/compare/4.5.3...4.6.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/pom.xml b/pom.xml
index 0eee7b4..ac7fa93 100644
--- a/pom.xml
+++ b/pom.xml
@@ -218,7 +218,7 @@
     <commons.felix.version>5.1.2</commons.felix.version>
     <biz.aQute.bndlib.version>6.0.0</biz.aQute.bndlib.version>
     <spotbugs.plugin.version>4.5.3.0</spotbugs.plugin.version>
-    <spotbugs.impl.version>4.5.3</spotbugs.impl.version>
+    <spotbugs.impl.version>4.6.0</spotbugs.impl.version>
     <commons.animal-sniffer.version>1.20</commons.animal-sniffer.version>
     <commons.japicmp.version>0.15.3</commons.japicmp.version>
     <clirr.skip>true</clirr.skip>