update dotnet sdk to 9

Author: ch1seL

.github/workflows/ci.yaml

@@ -33,7 +33,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '8.0'
+          dotnet-version: '9.0'
 
       - name: Get Cache Month
         id: cache-month

src/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <Nullable>enable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>

src/Directory.Packages.props

@@ -4,8 +4,8 @@
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.10" />
-    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.10" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0" />
     <PackageVersion Include="prometheus-net.AspNetCore" Version="8.2.1" />
   </ItemGroup>
 </Project>

src/global.json

@@ -0,0 +1,7 @@
+{
+  "sdk": {
+    "version": "9.0.0",
+    "rollForward": "latestMajor",
+    "allowPrerelease": false
+  }
+}