Bump the github-actions group with 3 updates

Bumps the github-actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [actions/github-script](https://github.com/actions/github-script) and [actions/setup-python](https://github.com/actions/setup-python).


Updates `actions/checkout` from 4.4.0 to 7.0.1
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](11d5960a32...3d3c42e5aa)

Updates `actions/github-script` from 7.1.0 to 9.0.0
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](f28e40c7f3...3a2844b7e9)

Updates `actions/setup-python` from 5.6.0 to 7.0.0
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](a26af69be9...5fda3b95a4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/github-script
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/setup-python
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/validate-frontmatter.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
-        uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.12"