fix: Fix the Gen java docs workflow by fixing auth

[Abhi347]

The Maven SCM publish plugin uses SSH instead of PAT

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.89%. Comparing base (13c7a91) to head (f1b0bbd).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #221   +/-   ##
=========================================
  Coverage     76.89%   76.89%           
  Complexity      381      381           
=========================================
  Files            56       56           
  Lines          1277     1277           
  Branches         51       51           
=========================================
  Hits            982      982           
  Misses          264      264           
  Partials         31       31           

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