add GHA step to configure PAT

Signed-off-by: Corey Hemminger <hemminger@hotmail.com>

Author: Stromweld

.github/workflows/lint.yml

@@ -26,6 +26,9 @@ jobs:
           - 3.4
     steps:
       - uses: actions/checkout@v6
+      - name: Configure Git for private repo access
+        run: |
+          git config --global url."https://x-access-token:${{ secrets.GH_PRIVATE_REPO_TOKEN }}@github.com/".insteadOf "https://github.com/"
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}