[ci] Build with .NET 7.0.306.

Author: jpobst

build/ci/build.yml

@@ -9,7 +9,7 @@ parameters:
   windowsImage: 'windows-latest'                            # the name of the Windows VM image
 
   # Tool Parameters
-  dotnetVersion: '6.0.408'                                  # the version of .NET to use
+  dotnetVersion: '7.0.306'                                  # the version of .NET to use
   dotnetWorkloadRollbackFile: 'workloads.json'
   dotnetWorkloadSource: 'https://aka.ms/dotnet6/nuget/index.json'
   dotnetNuGetOrgSource: 'https://api.nuget.org/v3/index.json'

global.json

@@ -1,7 +1,7 @@
 {
     "sdk": 
     {
-        "version": "6.0.408",
+        "version": "7.0.306",
         "rollForward": "patch"
     },
     "msbuild-sdks": 

util/Xamarin.AndroidBinderator/Xamarin.AndroidBinderator.Tests/Xamarin.AndroidBinderator.Tests.csproj

@@ -5,6 +5,7 @@
     <IsPackable>false</IsPackable>
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <Nullable>disable</Nullable>
+    <RollForward>Major</RollForward>
   </PropertyGroup>
 
   <ItemGroup>

util/Xamarin.Build.Download/source/Xamarin.Build.Download.Tests/Xamarin.Build.Download.Tests.csproj

@@ -3,6 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
     <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <RollForward>Major</RollForward>
   </PropertyGroup>
 
   <Target Name="Pack"></Target>