ci: bump actions/setup-dotnet from 4.1.0 to 4.2.0

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v4.1.0...v4.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/main.yml

@@ -7,15 +7,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.1.0
+      - uses: actions/setup-dotnet@v4.2.0
         with:
           dotnet-version: "8.0.x"
       - run: dotnet build
   coverage:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-dotnet@v4.1.0
+      - uses: actions/setup-dotnet@v4.2.0
         with:
           dotnet-version: "8.0.x"
       - run: dotnet test /p:CollectCoverage=true
@@ -39,7 +39,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
-      - uses: actions/setup-dotnet@v4.1.0
+      - uses: actions/setup-dotnet@v4.2.0
         with:
           dotnet-version: "8.0.x"
       - name: Install packages