build(deps): bump actions/checkout from 3.1.0 to 3.3.0 (#166)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.1.0 to 3.3.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@93ea575...ac59398)

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

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

.github/workflows/tests.yml

@@ -10,7 +10,7 @@ jobs:
     name: Check track configuration
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       - name: Fetch
         run: bin/fetch-configlet
       - name: Lint
@@ -30,7 +30,7 @@ jobs:
     name: Check exercises
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
       # It appears that the Ceylon tests work without having to do setup-java.
       # If in the future it breaks, try explicitly adding actions/setup-java@v1.
       # As of Ceylon 1.3.3, I couldn't get Ceylon to work with Java 9, 10, or 11,