chore(deps): bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

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

Author: dependabot[bot]

.github/workflows/ci-docker.yml

@@ -13,7 +13,7 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: qemu
         uses: docker/setup-qemu-action@v2
       - uses: docker/setup-buildx-action@v2

.github/workflows/conventional-commits.yml

@@ -11,6 +11,6 @@ jobs:
     name: Conventional Commits
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: webiny/[email protected]

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: qemu
         uses: docker/setup-qemu-action@v1
       - uses: docker/setup-buildx-action@v1