get rid of deprecated action

Author: jpmarceau

.github/workflows/createNewAtomicSandBoxDemo.yml

@@ -13,11 +13,10 @@ jobs:
       - uses: actions/checkout@v3
       - run: 'echo "payload: ${{ toJson(github.event.client_payload) }}"'
       - name: Make a new Branch
-        uses: peterjgrainger/action-create-branch@b48b0ca0e307c9b56f059b70274984ffeaa90a43
+        run: |
+          git checkout -b "${{ github.event.client_payload.atomic_version }}"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          branch: "${{ github.event.client_payload.atomic_version }}"
       - name: Checkout new branch
         uses: actions/checkout@v2
         with:
@@ -33,4 +32,4 @@ jobs:
           git status
           git add index.html
           git commit -m "updated version"
-          git push
+          git push