Bump com.github.spotbugs:spotbugs-maven-plugin from 4.7.3.5 to 4.8.6.6

Bumps [com.github.spotbugs:spotbugs-maven-plugin](https://github.com/spotbugs/spotbugs-maven-plugin) from 4.7.3.5 to 4.8.6.6.
- [Release notes](https://github.com/spotbugs/spotbugs-maven-plugin/releases)
- [Commits](spotbugs/spotbugs-maven-plugin@spotbugs-maven-plugin-4.7.3.5...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-minor
...

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

pom.xml

@@ -80,7 +80,7 @@
             <plugin>
                 <groupId>com.github.spotbugs</groupId>
                 <artifactId>spotbugs-maven-plugin</artifactId>
-                <version>4.7.3.5</version>
+                <version>4.8.6.6</version>
                 <configuration>
                     <effort>Max</effort>
                     <threshold>medium</threshold>