Add token to GitHub's checkout step in deploy workflow

This commit adds a GitHub personal access token to the checkout step in the deploy workflow. This allows the workflow to perform actions with the same permissions as the user associated with the token.

.github/workflows/deploy.yaml

@@ -14,6 +14,8 @@ jobs:
     steps:
       - name: Git Checkout
         uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GH_PAT }}
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v4