Bump actions/checkout from 4 to 5 (#56)

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_schema.yml

@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install pkg
         run: pip install "check-jsonschema>=0.10"

.github/workflows/docker-builds.yml

@@ -33,7 +33,7 @@ jobs:
           - { ubuntu_version: "24.04", python_version: "3.13", opencv_version: "4.12.0", device: "gpu", cuda_version: "12.8.0" }
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       # https://github.com/docker/setup-buildx-action
       # Set up Docker Buildx - to use cache-from and cache-to argument of buildx command
       - uses: docker/setup-buildx-action@v3