Use source generator

Author: MarkCiliaVincenti

BitFaster.Caching/BitFaster.Caching.csproj

@@ -54,7 +54,10 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
-    <PackageReference Include="Backport.System.Threading.Lock" Version="3.1.4" />  
+    <PackageReference Include="Backport.System.Threading.Lock" Version="3.1.4">
+       <PrivateAssets>all</PrivateAssets>
+       <IncludeAssets>analyzers</IncludeAssets>
+    </PackageReference>
     <Using Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net9.0'))" Alias="Lock" Include="System.Threading.Lock" />
     <Using Condition="!$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net9.0'))" Alias="Lock" Include="Backport.System.Threading.Lock" />
     <Using Alias="LockFactory" Include="Backport.System.Threading.LockFactory" />