[chore] rename confmap modules to ConfmapConverters and ConfmapProviders

[jackgopack4]

Description

change name in templates and cmd/builder to refer to Providers and Converters as ConfmapProviders and ConfmapConverters

Link to tracking issue

as requested here: #11653 (comment)

Testing

existing tests should cover this

Documentation

none, internal change and no new code/api

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.64%. Comparing base (3fe42eb) to head (252d8f7).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #11678   +/-   ##
=======================================
  Coverage   91.64%   91.64%           
=======================================
  Files         442      442           
  Lines       23746    23746           
=======================================
  Hits        21761    21761           
  Misses       1616     1616           
  Partials      369      369           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.