Drop JCenter usage from detekt's own build

[3flex]

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[codecov]

Codecov Report

Merging #3711 (c4a685d) into main (9e71fc7) will not change coverage.
The diff coverage is n/a.

❗ Current head c4a685d differs from pull request most recent head 1be4e77. Consider uploading reports for the commit 1be4e77 to get more accurate results

@@            Coverage Diff            @@
##               main    #3711   +/-   ##
=========================================
  Coverage     78.04%   78.04%           
  Complexity     2883     2883           
=========================================
  Files           473      473           
  Lines          9302     9302           
  Branches       1767     1767           
=========================================
  Hits           7260     7260           
  Misses         1078     1078           
  Partials        964      964           

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