update action

Author: pzurro

.github/workflows/embedcode.yml

@@ -9,11 +9,7 @@ jobs:
   embed-me:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-        with:
-          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
-          fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
-          ref: refs/heads/${{ github.head_ref }}
+      - uses: actions/checkout@v2
 
       - name: Set up Node.js
         uses: actions/setup-node@v4