Bump actions/checkout from 2.2.0 to 4.0.0 (#2334)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.2.0 to 4.0.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.2.0...v4.0.0)

---
updated-dependencies:
- dependency-name: actions/checkout
  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/JuliaFormatter.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 30
     steps:
-    - uses: actions/checkout@v2.2.0
+    - uses: actions/checkout@v4.0.0
 
     - uses: dorny/paths-filter@v2.11.1
       id: filter