chore(deps): update actions/checkout action to v6.0.2

Author: renovate[bot]

.github/workflows/update-readme.yml

@@ -13,7 +13,7 @@ jobs:
   markscribe:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6.0.1
+      - uses: actions/checkout@v6.0.2
 
       - uses: muesli/readme-scribe@master
         with: