Bump maven-surefire-plugin in /trafficlights-cli

Bumps [maven-surefire-plugin](https://github.com/apache/maven-surefire) from 3.0.0-M7 to 3.0.0-M9.
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.0.0-M7...surefire-3.0.0-M9)

---
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]>

trafficlights-cli/pom.xml

@@ -111,7 +111,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M7</version>
+                <version>3.0.0-M9</version>
             </plugin>
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>