Bump surefire-testng from 3.0.0-M6 to 3.0.0-M7 (#403)

Bumps surefire-testng from 3.0.0-M6 to 3.0.0-M7.

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

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -396,7 +396,7 @@
           <dependency>
             <groupId>org.apache.maven.surefire</groupId>
             <artifactId>surefire-testng</artifactId>
-            <version>3.0.0-M6</version>
+            <version>3.0.0-M7</version>
           </dependency>
         </dependencies>
         <executions>