Update actions/checkout action to v7 (#1253)

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

Author: renovate[bot]

.github/workflows/react-doctor.yml

@@ -29,7 +29,7 @@ jobs:
   react-doctor:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
 
       - uses: millionco/react-doctor@v2
         # Advisory by default: React Doctor reports findings on every PR — a