Fixed duplicate IDs

Author: mcasperson

.github/workflows/maven.yml

@@ -63,7 +63,6 @@ jobs:
 
     - name: Main build and push
       if: github.ref == 'refs/heads/master'
-      id: docker_build
       uses: docker/build-push-action@v2
       with:
         push: true
@@ -102,7 +101,6 @@ jobs:
 
     - name: Branch build and push
       if: github.ref != 'refs/heads/master'
-      id: docker_build
       uses: docker/build-push-action@v2
       with:
         push: true