Update release name

Author: compulim

.github/workflows/build-and-release-acs-chat-adapter.yaml

@@ -81,7 +81,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: $RELEASE_NAME
+          tag_name: ${{ env.RELEASE_NAME }}
           release_name: Continuous integration (${{ github.ref }})
           body: |
             This release will be updated on every push. **Please do not use this build in production environment.**