chore: bump actions/checkout from 2.3.5 to 2.4.0 (#189)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 to 2.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.3.5...v2.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/ci.yaml

@@ -54,7 +54,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       # Downloads a copy of the code in your repository before running CI tests
       - name: Check out repository code
-        uses: actions/checkout@v2.3.5
+        uses: actions/checkout@v2.4.0
       - uses: actions/setup-go@v2.1.4
         with:
           go-version: '1.16'

.github/workflows/conventional-commits.yaml

@@ -16,7 +16,7 @@ jobs:
   publish:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - uses: deepakputhraya/action-pr-title@master
         with:
           # Ensure pull request titles match the Conventional Commits specification https://www.conventionalcommits.org/en/v1.0.0/