fix: action

.github/workflows/label-issue.yml

@@ -33,9 +33,13 @@ jobs:
     runs-on: ubuntu-latest
     name: A job to say hello
     steps:
+      # To use this repository's private action,
+      # you must check out the repository
+      - name: Checkout
+        uses: actions/checkout@v4
       - name: Hello world action step
+        uses: ./add-label/ # Uses an action in the root directory
         id: hello
-        uses: ./add-label/
         with:
           who-to-greet: 'Mona the Octocat'
       # Use the output from the `hello` step