build(deps): bump actions/setup-dotnet from 4.2.0 to 4.3.0

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 4.2.0 to 4.3.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@87b7050...3951f0d)

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

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

.github/workflows/main.yml

@@ -70,7 +70,7 @@ jobs:
           show-progress: false
           persist-credentials: false
       - name: Setup .NET
-        uses: actions/setup-dotnet@87b7050bc53ea08284295505d98d2aa94301e852 # v4.2.0
+        uses: actions/setup-dotnet@3951f0dfe7a07e2313ec93c75700083e2005cbab # v4.3.0
         with:
           dotnet-version: ${{ matrix.version.setup }}
           source-url: https://nuget.pkg.github.com/oslc/index.json