Update to new Sonatype host

[changusmc]

Following steps in https://github.com/vanniktech/gradle-maven-publish-plugin#where-to-upload-to for pointing to the new host.

[codecov]

Codecov Report

Merging #124 (be4286b) into main (ceaf57a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #124   +/-   ##
=========================================
  Coverage     50.10%   50.10%           
  Complexity       59       59           
=========================================
  Files            12       12           
  Lines           455      455           
  Branches         94       94           
=========================================
  Hits            228      228           
  Misses          200      200           
  Partials         27       27           

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[rharter]

LGTM 👍