Upgrade GitHub Actions for .NET workflow

Author: saguiitay

.github/workflows/dotnet.yml

@@ -12,12 +12,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v5
     - name: Setup .NET
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v5
       with:
-        dotnet-version: 10.x
-        dotnet-quality: 'preview'
+        dotnet-version: | 
+          8.0.x
+          9.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build