Change added file in git add

.github/workflows/update-gov-zone-file.yml

@@ -30,7 +30,7 @@ jobs:
         run: |-
           git config user.name "Continuous Integration - Zone File"
           git config user.email "121973038+erinysong@users.noreply.github.com"
-          git add ./gov.txt
+          git add gov.txt
           timestamp=$(date -u)
           git commit -m "Daily Zone File Update ${timestamp}" || exit 0
           git push