Bump Microsoft.Bcl.HashCode from 1.1.1 to 6.0.0 in /Source (#4391)

Bumps [Microsoft.Bcl.HashCode](https://github.com/dotnet/maintenance-packages) from 1.1.1 to 6.0.0.
- [Release notes](https://github.com/dotnet/maintenance-packages/releases)
- [Commits](https://github.com/dotnet/maintenance-packages/commits)

---
updated-dependencies:
- dependency-name: Microsoft.Bcl.HashCode
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Source/Csla.Generators/cs/AutoImplementProperties/Csla.Generator.AutoImplementProperties.CSharp/Csla.Generator.AutoImplementProperties.CSharp.csproj

@@ -30,7 +30,7 @@
   </PropertyGroup>
 
    <ItemGroup>
-    <PackageReference Include="Microsoft.Bcl.HashCode" Version="1.1.1" />
+    <PackageReference Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.9.2" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" PrivateAssets="all" />
      <PackageReference Include="Backport.System.Threading.Lock" Version="3.1.0" />