Bump actions/checkout from 2.2.0 to 2.3.4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.2.0 to 2.3.4. - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](actions/checkout@v2.2.0...v2.3.4) --- updated-dependencies: - dependency-name: actions/checkout dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
  os: [ubuntu-18.04, ubuntu-20.04]
  steps:
  - name: "📥 Checkout Code"
- uses: actions/checkout@v2.2.0
+ uses: actions/checkout@v2.3.4
  with:
  submodules: 'recursive'
  fetch-depth: 0