Merge pull request #414 from mkobayashime/renovate/actions-checkout-5.x

Update actions/checkout action to v5

Author: mkobayashime

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest
@@ -18,7 +18,7 @@ jobs:
     name: Up-to-date scripts/docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: oven-sh/setup-bun@v2
         with:
           bun-version: latest