Add new logo as grayscale

[wipfli]

Adds the new logo as gray scale like the old one was. I did some inkscape stuff with outlines and strokes and paths and what not but now I think it looks very much like the previous version, just with the new shape...

This pull request also removes a png with the old logo which we don't use anywhere I think...

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.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4ed9cf0) 83.33% compared to head (92a9cda) 87.12%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3631      +/-   ##
==========================================
+ Coverage   83.33%   87.12%   +3.79%     
==========================================
  Files         243      240       -3     
  Lines       32194    32189       -5     
  Branches     4442     2080    -2362     
==========================================
+ Hits        26829    28045    +1216     
+ Misses       5122     3226    -1896     
- Partials      243      918     +675     

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[wipfli]

This should fail a render test I assume...

[louwers]

This should fail a render test I assume...

Does it get fed to the renderer or is it just layed on top of the canvas?

Edit: Looks like the latter:

maplibre-gl-js/src/css/maplibre-gl.css

Line 406 in 0e27f8b

background-image: svg-load("svg/maplibregl-ctrl-logo.svg");

[HarelM]

It shouldn't fail a render test, this control is over the map and not part of the canvas, the render test are comparing the canvas pixels...

[HarelM]

Can you please change the base branch to the attribution branch?