MapLibre 4 custom modifications

[patrikschiller]

Added custom features that were not part of the main branch such as:

• latitude bounds
  • constrain map movement over certain latitude bounds
• support for texture formats other than gl.RGBA used by raster tile sources
  • developer can define texture format (both wgl1 and wgl2) used for tile textures (overrides default gl.RGBA) used by raster sources (sourceCache)
• exports for Event, Tile, SourceCache, and OverscaledTileID
  • required for our renderer development

Launch Checklist

• Confirm your changes do not include backports from Mapbox projects (unless with compliant license) - if you are not sure about this, please ask!
• Briefly describe the changes in this PR.
• Link to related issues.
• Include before/after visuals or gifs if this PR includes visual changes.
• Write tests for all new functionality.
• Document any changes to public APIs.
• Post benchmark scores.
• Add an entry to CHANGELOG.md under the ## main section.

[kubapelc]

Failing tests are due to jest not supporting WebGL2. Let's ignore that for now.
Lngrange must now be set to over 1e6 to be considered infinite, because some ranges that are technically over 360° get interpreted weirdly as a smaller actual range.