Bump actions/checkout from 5 to 6 (#29)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  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/publish.yaml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: Inject env variables
         uses: rlespinasse/[email protected]
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: deploy JSON Schema for version ${{ env.GITHUB_REF_SLUG }}
         uses: peaceiris/[email protected]
         with:

.github/workflows/test.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: "lts/*"
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - run: |
           npm install
           npm test