Removed unused code checkout step from labels.yml GitHub Action.

Author: jacobtylerwalls

.github/workflows/labels.yml

@@ -21,10 +21,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
-      - uses: actions/checkout@v6
-        with:
-          persist-credentials: false
-
       - name: "Check title and manage labels"
         uses: actions/github-script@v8
         with:

zizmor.yml

@@ -1,5 +1,7 @@
 rules:
   dangerous-triggers:
+    # Before ignoring a file, assume all inputs are malicious, assign explicit
+    # minimal permissions, and do not use actions/checkout.
     ignore:
       - coverage_comment.yml
       - labels.yml