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

LICENSE.md

@@ -1043,6 +1043,19 @@ THIS SOFTWARE.
 
 ---
 
+### dreieck,1.0.0,PROPRIETARY,Mapbox,https://github.com/mapbox/dreieck
+
+```
+Mapbox Dreieck
+
+All rights reserved.
+
+Copyright (c) 2025 Mapbox
+
+```
+
+---
+
 ### eternal,1.0.1,ISC,Mapbox,https://github.com/mapbox/eternal
 
 ```