Bump org.apache.maven.plugins:maven-surefire-plugin from 3.5.5 to 3.5.6

Bumps [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.5.5 to 3.5.6.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.5.5...surefire-3.5.6)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-version: 3.5.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -65,7 +65,7 @@
 
       <!-- Maven plugin versions -->
       <version.compiler.plugin>3.15.0</version.compiler.plugin>
-      <version.surefire.plugin>3.5.5</version.surefire.plugin>
+      <version.surefire.plugin>3.5.6</version.surefire.plugin>
       <version.jar.plugin>3.5.0</version.jar.plugin>
       <version.source.plugin>3.3.1</version.source.plugin>
       <version.javadoc.plugin>3.12.0</version.javadoc.plugin>