CI: Rework Git.

.github/workflows/chart.yaml

@@ -39,6 +39,11 @@ jobs:
           echo "0e430493521ce387ca04d79b26646a86f92886dbcceb44985bb71082a9530ca5  /tmp/ah.tar.gz" | shasum --check
           sudo tar --extract --file /tmp/ah.tar.gz --directory /usr/local/bin ah
 
+      - name: Set up Git
+        run: |
+          git config --global user.name "${GITHUB_ACTOR}"
+          git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"
+
       - name: Checkout master
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
@@ -46,12 +51,6 @@ jobs:
           fetch-depth: 0
           ref: ${{ github.ref_name }} 
 
-      - name: Setup
-        shell: bash
-        run: |
-          git config --global user.name "$GITHUB_ACTOR"
-          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
-
       - name: Lint chart
         run: |
           ct lint --config .ct.yaml