sonar-findbugs v4.2.8

What's Changed

• Upgrade findsecbugs to 1.13.0 by @gtoison in #969

Full Changelog: 4.2.7...4.2.8

https://repo.maven.apache.org/maven2/com/github/spotbugs/sonar-findbugs-plugin/4.2.8/sonar-findbugs-plugin-4.2.8.jar