Bump actions/checkout from 3.6.0 to 6.0.2 (#10)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.6.0 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@f43a0e5...de0fac2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/format.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up python
         uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c # v4