Update 2.004 sources

- Variable font STAT table ranges were updated to display correctly on Windows. Issues [#190](#190)
and [#291](adobe-fonts/source-han-sans#289)

- Variable font postscript names were updated to display correctly on macOS 11. Issue [#291](adobe-fonts/source-han-sans#289)

- Added missing CID+37953 to Korean Subset. Issue [#289](adobe-fonts/source-han-sans#289)

- Glyphs with missing outlines were corrected. Issue [#296](adobe-fonts/source-han-sans#296)