Bump actions/checkout from 3.2.0 to 3.3.0 (#23)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.2.0 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@755da8c...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/ci.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b # https://github.com/actions/checkout/releases/tag/v3.2.0
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # https://github.com/actions/checkout/releases/tag/v3.3.0
       -
         name: Unshallow
         run: git fetch --prune --unshallow