Fetch and checkout release branch by git fetch

.github/workflows/ci-cd.yml

@@ -27,12 +27,10 @@ jobs:
         with:
           ref: master
           fetch-depth: 0  # Fetch all history to avoid shallow clone issues
-      - name: Checkout release branch
-        uses: actions/checkout@v4
-        with:
-#          ref: ${{ github.ref }}  # Checkout the release branch that triggered the workflow
-          ref: ${{ github.event.inputs.release_branch }}  # Checkout the release branch specified in the workflow dispatch input
-          path: release_branch
+      - name: Fetch and checkout release branch
+        run: |
+          git fetch origin ${{ github.event.inputs.release_branch }}:release_branch
+          git checkout release_branch
       - name: Check for merge conflicts
         run: |
           git fetch origin master
@@ -112,12 +110,10 @@ jobs:
         with:
           ref: master
           fetch-depth: 0  # Fetch all history to avoid shallow clone issues
-      - name: Checkout release branch
-        uses: actions/[email protected]
-        with:
-#          ref: ${{ github.ref }}  # Checkout the release branch that triggered the workflow
-          ref: ${{ github.event.inputs.release_branch }}  # Checkout the release branch specified in the workflow dispatch input
-          path: release_branch
+      - name: Fetch and checkout release branch
+        run: |
+          git fetch origin ${{ github.event.inputs.release_branch }}:release_branch
+          git checkout release_branch
       - name: Merge release branch into master
         run: |
           git config --global user.email "[email protected]"