Bump maven-surefire-plugin from 3.0.0-M5 to 3.0.0-M6

Bumps [maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.0.0-M5 to 3.0.0-M6.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](https://github.com/apache/maven-surefire/compare/surefire-3.0.0-M5...surefire-3.0.0-M6)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 104735b..45cdc91 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
     <releaseDeployId>archiva-repository.releases</releaseDeployId>
     <gpg.useagent>true</gpg.useagent>
 
-    <surefireVersion>3.0.0-M5</surefireVersion>
+    <surefireVersion>3.0.0-M6</surefireVersion>
     <sonar.plugin.version>2.5</sonar.plugin.version>
 
     <!-- archiva components version -->