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]

approvaltests-tests/pom.xml

@@ -114,7 +114,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M5</version>
+                <version>3.0.0-M6</version>
             </plugin>
         </plugins>
     </build>

approvaltests-util-tests/pom.xml

@@ -95,7 +95,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M5</version>
+                <version>3.0.0-M6</version>
             </plugin>
         </plugins>
     </build>

pom.xml

@@ -95,7 +95,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.0.0-M5</version>
+                <version>3.0.0-M6</version>
                 <configuration>
                     <argLine>-Duser.language=en -Duser.region=US</argLine>
                 </configuration>
@@ -146,7 +146,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-surefire-plugin</artifactId>
-                        <version>3.0.0-M5</version>
+                        <version>3.0.0-M6</version>
                     </plugin>
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>