fix: use trap command to ensure that the ./stop script is called on e…

…xit of the step name Generation: generate ${{ matrix.app }} from main branch

.github/workflows/github-actions.yml

@@ -289,12 +289,15 @@ jobs:
       - name: 'Generation: generate ${{ matrix.app }} from main branch'
         if: github.event_name == 'pull_request'
         working-directory: ./main-branch/tests-ci/
-        continue-on-error: true # Allow the step to continue even if generate.sh fails
+        continue-on-error: true
         id: generate-main
         run: |
+          # Set up trap to ensure stop.sh is called on exit
+          trap './stop.sh' EXIT
+
           ./start.sh 7471
-          (./generate.sh ${{ matrix.app }} ${{ matrix.java-build-tool }} ${{ matrix.spring-config-format }}; GENERATE_EXIT_CODE=$?)
-          ./stop.sh
+          ./generate.sh ${{ matrix.app }} ${{ matrix.java-build-tool }} ${{ matrix.spring-config-format }}
+          GENERATE_EXIT_CODE=$?
           echo "exit_code=$GENERATE_EXIT_CODE" >> $GITHUB_OUTPUT
           exit $GENERATE_EXIT_CODE
       - name: 'Generation: calculate md5sum ${{ matrix.app }} from main branch'