fixup! [CES-3466] Add a github action to prevent dev's merging !fixup commits

Author: bryanfoley

.github/workflows/fixup_commits.yml

@@ -9,4 +9,4 @@ jobs:
     steps:
     - uses: actions/checkout@v2.0.0
     - name: Block Fixup Commit Merge
-      uses: 13rac1/block-fixup-merge-action@v2.0.0
+      uses: 13rac1/block-fixup-merge-action@v2.0.0