use github.event.release.target_commitish == master

.github/workflows/released.yml

@@ -5,26 +5,8 @@ on:
     types: [released]
 
 jobs:
-  check-tag-branch:
-    runs-on: ubuntu-latest
-    steps:
-      - name: get tag commit hash
-        id: tag-commit-hash
-        run: echo "::set-output name=tag-hash::${{ github.sha }}"
-      - name: checkout master
-        uses: actions/checkout@v2
-        with:
-          ref: master
-      - name: get latest master commit hash
-        id: master-commit-hash
-        run: |
-          hash=$(git log -n1 --format=format:"%H")
-          echo "::set-output name=master-hash::${hash}"
-      - name: exit if tag commit hash doesn't match with the master commit hash
-        if: steps.tag-commit-hash.outputs.tag-hash != steps.master-commit-hash.outputs.master-hash
-        run: exit 1
   deploy:
-    needs: check-tag-branch
+    if: github.event.release.target_commitish == 'master'
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1