[Release/5.0] Fix covariant returns when overriding method of non-parent ancestor#47937

Anipik merged 1 commit intodotnet:release/5.0dotnet/runtime:release/5.0from

janvorli:port-fix-covariant-returns-issue-4janvorli/runtime:port-fix-covariant-returns-issue-4Copy head branch name to clipboard