chore(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/main.yml

@@ -40,7 +40,7 @@ jobs:
  - 5000:5000
  steps:
  - name: Checkout
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Build image for testing
  uses: docker/build-push-action@v4
@@ -135,7 +135,7 @@ jobs:
  flavor: '-fpm-alpine'
  steps:
  - name: Checkout
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  - name: Set up QEMU
  run: |