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](apache/maven-surefire@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] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -87,7 +87,7 @@
         <exec-maven-plugin.version>3.0.0</exec-maven-plugin.version>
         <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
-        <maven-surefire-plugin.version>3.0.0-M5</maven-surefire-plugin.version>
+        <maven-surefire-plugin.version>3.0.0-M6</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
         <versions-maven-plugin.version>2.8.1</versions-maven-plugin.version>
         <spotless-maven-plugin.version>2.21.0</spotless-maven-plugin.version>