Bump actions/checkout from 2 to 5 (#371)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...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/release.yaml

@@ -12,7 +12,7 @@ jobs:
     permissions:
       packages: write
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: "Publish"
         uses: devcontainers/action@v1

.github/workflows/test-pr.yaml

@@ -58,7 +58,7 @@ jobs:
       matrix:
         templates: ${{ fromJSON(needs.detect-changes.outputs.templates) }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v5
 
       - name: "Install latest devcontainer CLI"
         run: npm install -g @devcontainers/cli

.github/workflows/update-documentation.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     if: "github.ref == 'refs/heads/main'"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
 
       - name: Generate Documentation
         uses: devcontainers/action@v1