Update Sponsor button to Detekt's one

[cortinico]

No description provided.

[codecov]

Codecov Report

Merging #4378 (71af365) into main (7d8acae) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #4378   +/-   ##
=========================================
  Coverage     84.30%   84.30%           
  Complexity     3273     3273           
=========================================
  Files           473      473           
  Lines         10340    10340           
  Branches       1830     1830           
=========================================
  Hits           8717     8717           
  Misses          667      667           
  Partials        956      956           

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