Smaller fetch depth

Author: macobo

.github/workflows/tracker-script-update.yml

@@ -20,7 +20,7 @@ jobs:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.event.pull_request.head.ref }}
           token: ${{ secrets.PLAUSIBLE_BOT_GITHUB_TOKEN }}
-          fetch-depth: 0
+          fetch-depth: 1
 
       - name: Checkout master for comparison
         uses: actions/checkout@v4