chore(deps): update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/rebase.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
       - uses: ljharb/rebase@3f30d8c115145dcc562f01582f59fbeefe77c707 # @master
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}