Merge pull request #71 from SAP-samples/updating-set-output

Update docker-build-and-push.yml

.github/workflows/docker-build-and-push.yml

@@ -26,7 +26,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Get commit id
         id: vars
-        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"      
+        run: echo "name=sha_short::$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta