Small CI for openapi2jsonschema, publish docker image

.github/workflows/openapi2jsonschema.yml

@@ -16,9 +16,6 @@ jobs:
         working-directory: ./scripts
         run: make docker-test docker-acceptance
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
       # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
       - name: Log in to the Container registry
         uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
@@ -28,7 +25,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@v3
         with:
           context: "{{defaultContext}}:scripts"
           push: true