chore: update actions/checkout action to v3 (#14)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/setup-repository.yml

@@ -45,7 +45,7 @@ jobs:
     permissions: write-all
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Create cookiecutter.json
         uses: actions/github-script@v6