chore(deps): update actions/checkout action to v7 (#1115)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/add-changeset-on-label.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout PR branch
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           fetch-depth: 0