Bump actions/checkout from 4 to 5 (#30)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rustup update
       - uses: Swatinem/rust-cache@v2
 
@@ -33,7 +33,7 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rustup update
       - uses: Swatinem/rust-cache@v2
 
@@ -48,7 +48,7 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rustup update
 
       - name: Run rustfmt
@@ -59,6 +59,6 @@ jobs:
     if: github.event.pull_request.draft == false
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Prettier
         run: npx prettier --check .