github-actions: fix checkout action v5 v6 changes

Author: Lee-W

.github/workflows/ci.yaml

@@ -18,13 +18,7 @@ jobs:
         with:
           fetch-depth: 0
           ref: "${{ github.event.inputs.git_rev }}"
-
-      - name: Checkout submodules
-        shell: bash
-        run: |
-          auth_header="$(git config --local --get http.https://github.com/.extraheader)"
-          git submodule sync --recursive
-          git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
+          submodule: true
 
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v7

.github/workflows/publish_post.yaml

@@ -13,13 +13,9 @@ jobs:
     steps:
       - name: Check out
         uses: actions/checkout@v6
-
-      - name: Checkout submodules
-        shell: bash
-        run: |
-          auth_header="$(git config --local --get http.https://github.com/.extraheader)"
-          git submodule sync --recursive
-          git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
+        with:
+          ref: "${{ github.event.inputs.git_rev }}"
+          submodule: true
 
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@v7