More no -i '' only -i

Author: helen

.github/workflows/release.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Transform Plugin Readme
       run: |
         cp ./README.md ./readme.txt
-        sed -i '' -e 's/^# \(.*\)$/=== \1 ===/' -e 's/ #* ===$/ ===/' -e 's/^## \(.*\)$/== \1 ==/' -e 's/ #* ==$/ ==/' -e 's/^### \(.*\)$/= \1 =/' -e 's/ #* =$/ =/' ./readme.txt
+        sed -i -e 's/^# \(.*\)$/=== \1 ===/' -e 's/ #* ===$/ ===/' -e 's/^## \(.*\)$/== \1 ==/' -e 's/ #* ==$/ ==/' -e 's/^### \(.*\)$/= \1 =/' -e 's/ #* =$/ =/' ./readme.txt
     - name: WordPress Plugin Deploy
       id: deploy
       uses: 10up/action-wordpress-plugin-deploy@stable