ci: pin dependencies

Author: renovate[bot]

.github/workflows/setup-repository.yml

@@ -45,7 +45,7 @@ jobs:
     permissions: write-all
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
 
       - name: Create cookiecutter.json
         uses: actions/github-script@v6