fonts/ibm-plex-ttf: Update to 4.0.2

Changelog:

Plex v4.0.2

Added

- OpenType layout feature "subs"
- meta table to all generated otf and ttf font files

Removed

- Glyph /ibmlogo07 (0xEBE7)

Fixed

- [IBM Plex Sans Hebrew-Text] /samekh (0x05E1) wrong right sidebearing
- Wrong kerning between /vav (0x05D5) /dagesh (0xFB35)
- Small metrics errors in Latin glyphs
- Errors in PS hint replacement in all files containing PostScript outlines

(ng0)