Merge pull request #27 from Dodai-Dodai/no-fifference-commit

差分がなくてもコミットできるようにする

.github/workflows/build-and-push.yaml

@@ -27,7 +27,7 @@ jobs:
         git config user.email "[email protected]"
 
     - name: Check out the exec branch
-      run: git checkout -b exec || git checkout exec
+      run: git checkout --allow-empty -b exec || git checkout exec
 
     - name: Add executable
       run: |