chore(deps): bump actions/checkout from 4 to 5 (#19)

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -26,7 +26,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2