Bump actions/checkout from 3.5.3 to 3.6.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.5.3 to 3.6.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@c85c95e...f43a0e5)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -19,6 +19,6 @@ jobs:
       with:
         java-version: ${{matrix.java}}
         distribution: temurin
-    - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+    - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
     - uses: coursier/cache-action@d1039466d0812d6370649b9afb02bbf5f646bacf # v6.4.3
     - run: sbt -v "+ scalafmtCheckAll" scalafmtSbtCheck "+ test"