Add dreieck triangulation library (#8337)

Dreieck is adding support for triangulation using monotone
decomposition. This enables much faster triangulation of complex
polygons while having a fallback to earcut for simpler polygons and also
in case the triangulation fails (very weird case).

For gl-js

<public>
Change one render test threshold to be on par with native
</public>

cc @mapbox/gl-native
cc @mapbox/sdk-ci

cc @mapbox/maps-ios

cc @mapbox/maps-android

GitOrigin-RevId: 5f275a9ff9617802c17435e1b366112839d782ca

Author: jtorresfabra