Bump actions/setup-dotnet from 1 to 4 (#54)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 1 to 4.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v1...v4)

---
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>

.github/workflows/ci.yml

@@ -18,27 +18,27 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET Core 2.1
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "2.1.x"
       - name: Setup .NET Core 3.1
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "3.1.x"
       - name: Setup .NET 6.0
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "6.0.x"
       - name: Setup .NET 7.0
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "7.0.x"
       - name: Setup .NET 8.0
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: "8.0.x"
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
       - name: Run tests
         run: dotnet test --collect:"XPlat Code Coverage" 
       - name: Upload coverage
@@ -54,7 +54,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v2
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
       - uses: actions/download-artifact@v2
         with:
           name: Code coverage windows-latest
@@ -81,7 +81,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
       - name: Create packages
         run: dotnet pack --configuration Release --output ./packages
       - name: Upload a Build Artifact
@@ -100,7 +100,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
       - uses: actions/download-artifact@v2
         with:
           name: NuGet packages