Bump actions/checkout from 3.3.0 to 3.4.0 (#1079)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3.3.0...v3.4.0)

---
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>
Co-authored-by: Terje Sandstrom <terje@hermit.no>

.github/workflows/NUnit3TestAdapter.Cake.CI.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v3.3.0
+    - uses: actions/checkout@v3.4.0
     - uses: actions/setup-dotnet@v2
       with:
         dotnet-version: |