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

Author: renovate[bot]

.github/workflows/claude-renovate-review.yml

@@ -21,7 +21,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: false
       - uses: koki-develop/claude-renovate-review@main