V1.63.4 - Rubocop — ContextQMD

#12871: Fix an error for rubocop -V when .rubocop.yml contains ERB. (@earlopain)
#12862: Fix a false positive for Style/RedundantLineContinuation when line continuations involve return with a return value. (@koic)
#12664: Fix handling of textDocument/diagnostic. (@muxcmux)
#12865: Fix Rails Cops, which weren't reporting any violations unless running with bundle exec. (@amomchilov)