fix build

.github/workflows/dotnet.yml

@@ -23,18 +23,23 @@ jobs:
         submodules: true
 
     - name: Install .NET Core 3.1
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 3.1.x
 
     - name: Install .NET Core 7.0
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: 7.0.x
+
+    - name: Install .NET Core 8.0
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
 
     # Add  MSBuild to the PATH: https://github.com/microsoft/setup-msbuild
     - name: Setup MSBuild.exe
-      uses: microsoft/setup-msbuild@v1.3.1
+      uses: microsoft/setup-msbuild@v2
 
     - name: Decode the snk
       run: |