Re-add gh access token

.github/workflows/maven.yml

@@ -20,9 +20,12 @@ jobs:
       uses: actions/setup-java@v1
       with:
         java-version: 11
+    # Some tests need screen access
     - name: Install xvfb
       run: sudo apt-get install xvfb
     - name: Build with Maven
       run: xvfb-run mvn clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
       env:
+        # These two env variables are needed for sonar analysis
+        GITHUB_TOKEN: ${{ secrets.REPOSITORY_ACCESS_TOKEN }}
         SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}