Update to release 8.9.0.

Author: wasabii

global.json

@@ -4,6 +4,6 @@
         "rollForward": "latestFeature"
     },
     "msbuild-sdks": {
-        "IKVM.NET.Sdk": "8.9.0-pre.3"
+        "IKVM.NET.Sdk": "8.9.0"
     }
 }

src/IKVM.Maven.Sdk.Tasks/IKVM.Maven.Sdk.Tasks.csproj

@@ -8,7 +8,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="IKVM" Version="8.9.0-pre.3" />
+        <PackageReference Include="IKVM" Version="8.9.0" />
         <PackageReference Include="Microsoft.Bcl.HashCode" Version="1.1.1" />
         <PackageReference Include="Microsoft.Build" Version="16.9.0" PrivateAssets="All" />
         <PackageReference Include="Microsoft.Build.Utilities.Core" Version="16.9.0" PrivateAssets="All" />

src/IKVM.Maven.Sdk/IKVM.Maven.Sdk.csproj

@@ -20,7 +20,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="all" />
-        <PackageReference Include="IKVM" Version="8.9.0-pre.3" />
+        <PackageReference Include="IKVM" Version="8.9.0" />
     </ItemGroup>
 
     <ItemGroup>