harfbuzz 14.4.0

HarfBuzz text shaping engine

Release notes

- Glyph positions and extents now saturate instead of overflowing.
- Arabic Windows-1256 fallback shaping is now enabled on all platforms.
- Fix cluster values and a dropped glyph advance in the Graphite shaper.
- Fix `avar` axis value mapping in fonts that repeat the boundary entries.
- Fix `avar` version 2 partial instancing.
- Fix `COLR` sweep gradient truncation and unbounded memory use.
- Faster subsetting, especially for large `GSUB`/`GPOS` and `CFF` tables.
- Faster extraction of the experimental glyph dependency graph.
- Various shaping speedups.
- Various fixes for crashes and hangs with malformed fonts.
- Various fixes to the experimental raster, vector, and GPU libraries.
- Various improvements to the HarfRust integration shaper.
- The DirectWrite backend no longer uses the C++ runtime.
- Various build, portability, and fuzzing fixes.

- New API:
  +hb_set_intersects()

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