Log Message:
harfbuzz: update to 10.2.0.

Overview of changes leading to 10.2.0
Saturday, January 11, 2025
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- Consider Unicode Variation Selectors when subsetting “cmap” table.
- Guard hb_cairo_glyphs_from_buffer() against malformed UTF-8 strings.
- Fix incorrect “COLR” v1 glyph scaling in hb-cairo.
- Use locale-independent parsing of double numbers is “hb-subset” command line
  tool.
- Fix incorrect zeroing of advance width of base glyphs in various “Courier New”
  font versions due to incorrect “GDEF” glyph classes.
- Fix handling of long language codes with “HB_LEAN” configuration.
- Update OpenType language system registry.
- Allow all Myanmar tone marks (including visarga) in any order
- Don’t insert U+25CC DOTTED CIRCLE before superscript/subscript digits
- Handle Garay script as right to left script.
- New API for serializing font tables and potentially repacking them in optimal
  way. This was a previously experimental-only API.
- New API for converting font variation setting from and to strings.
- Various build fixes
- Various subsetter and instancer fixes.

- New API:
+hb_subset_serialize_link_t
+hb_subset_serialize_object_t
+hb_subset_serialize_or_fail()
+hb_subset_axis_range_from_string()
+hb_subset_axis_range_to_string()