ci: Update .NET version in GitHub Actions workflow

Updated the .NET version in the workflow to 10.0.x and removed older versions.

Author: chyyran

.github/workflows/dotnet.yml

@@ -15,22 +15,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
-    - name: Setup .NET Core 3.0
+    - name: Setup .NET 10
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 3.0.x
-    - name: Setup .NET Core 3.1
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: 3.1.x
-    - name: Setup .NET 5
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: 5.0.x
-    - name: Setup .NET 6
-      uses: actions/setup-dotnet@v1
-      with:
-        dotnet-version: 6.0.x
+        dotnet-version: 10.0.x
     - name: Clean dependencies and caches
       run: dotnet clean src --configuration ${{ matrix.configuration }} && dotnet nuget locals all --clear
     - name: Restore dependencies