Nightly releases cancel on no changes (#83)

Author: stas-panasiuk

.github/workflows/publish_release.yml

@@ -42,7 +42,13 @@ jobs:
       - id: should_run
         continue-on-error: true
         name: check latest commit is less than a day
-        run: test -z $(git rev-list  --after="24 hours"  ${{ github.sha }}) && echo "::set-output name=should_run::false"
+        run: |
+          test -z $(git rev-list  --after="24 hours"  ${{ github.sha }}) \
+          && echo "::set-output name=should_run::false" \
+          || (gh run cancel ${{ github.run_id }} \
+            && gh run watch ${{ github.run_id }})
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   publish_release:
     needs: check_date
     if: ${{ github.event_name == 'workflow_dispatch' || needs.check_date.outputs.should_run != 'false' }}