[Build] Don't fail shared GH-workflow on test-failures

Don't fail the build on test-failures because the the additional
test-result check fails in case of test-failures. This simplifies the
distinction between 'hard' failures, like compile-errors and
test-failures.

Author: HannesWell

.github/workflows/mavenBuild.yml

@@ -97,7 +97,7 @@ jobs:
         -Dcompare-version-with-baselines.skip=false
         -Pbree-libs
         -Papi-check
-        --fail-at-end
+        --fail-at-end -Dmaven.test.failure.ignore=true
         ${{ inputs.maven-goals }}
     - name: Upload Test Results for ${{ matrix.config.name }}
       if: always()