Bump actions/setup-dotnet from 1.9.0 to 4.0.0 (#142)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 1.9.0 to 4.0.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v1.9.0...v4.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Rasmus Lystrøm <[email protected]>

.github/workflows/main.yml

@@ -28,7 +28,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup
-        uses: actions/setup-dotnet@v1.9.0
+        uses: actions/setup-dotnet@v4.0.0
         with:
           dotnet-version: 6.0.x