Update to Autofac v6 release

Author: alexmg

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "3.1.302",
+    "version": "3.1.402",
     "rollForward": "latestFeature"
   }
 }

src/Autofac.Extras.FakeItEasy/Autofac.Extras.FakeItEasy.csproj

@@ -37,7 +37,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Autofac" Version="6.0.0-develop-01134" />
+    <PackageReference Include="Autofac" Version="6.0.0" />
     <PackageReference Include="FakeItEasy" Version="3.4.1" />
     <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.0">
       <PrivateAssets>All</PrivateAssets>