Update dotnet monorepo to v9

Author: renovate[bot]

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
     "rollForward": "latestFeature",
-    "version": "8.0.404"
+    "version": "9.0.101"
   }
 }

src/sample/sample.csproj

@@ -8,13 +8,13 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.11">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="8.0.11" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.11" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.11">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>