Bump actions/checkout from 3.1.0 to 3.3.0

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@v3.1.0...v3.3.0)

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

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

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -7,6 +7,6 @@ jobs:
       name: Deploy app
       runs-on: ubuntu-latest
       steps:
-        - uses: actions/checkout@v3.1.0
+        - uses: actions/checkout@v3.3.0
         - uses: superfly/flyctl-actions/setup-flyctl@master
         - run: flyctl deploy --remote-only