Update dotnet.yml

Author: CeSun

.github/workflows/dotnet.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Install .NET
       uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: '8.0.x'
+        dotnet-version: '9.0.x'
 
     - name: pack nugets
       run: dotnet build -t:Pack OpenHarmony.NET.Compiler.Pack.nuproj -o ./packages -p:Version=0.0.0-alpha.${{github.run_number}} --property PackageCompressionLevel=Optimal
@@ -40,4 +40,4 @@ jobs:
             path: packages
         - name: Push to NuGet
           run: |
-            dotnet nuget push **/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+            dotnet nuget push **/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate