ci: revert group golang deps in renovate (#886)

[lukasmetzner]

This reverts commit 657b088.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.59%. Comparing base (657b088) to head (2232dbf).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #889   +/-   ##
=======================================
  Coverage   70.59%   70.59%           
=======================================
  Files          31       31           
  Lines        3343     3343           
=======================================
  Hits         2360     2360           
  Misses        804      804           
  Partials      179      179           

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