Update GitHub Actions workflow to use GH_PAT secret instead of TOKEN

Author: sugesh-cloudops

.github/workflows/kustomize-ci.yaml

@@ -65,7 +65,7 @@ jobs:
             git config --global user.name ${{ secrets.GIT_USER_EMAIL }}
             git config --global user.email ${{ secrets.GIT_USER_NAME }}
 
-            git remote set-url origin https://x-access-token:${TOKEN}@github.com/${{ github.repository }}.git
+            git remote set-url origin https://x-access-token:${{ secrets.GH_PAT }}@github.com/${{ github.repository }}.git
 
 
             git add kustomize/overlays/dev/patch-deployment-image.yaml