test: demonstrate that 'pepr build' outputs comparable config-derived values

[btlghrants]

Description

Automatically validtes that pepr-native output resource manafest and helm charts contain comparable config-derived values.

Related Issue

Fixes #1640

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Other (security config, docs update, etc)

Checklist before merging

• Unit, Journey, E2E Tests, docs, adr added or updated as needed
• Contributor Guide Steps followed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.52%. Comparing base (7d4df9d) to head (1b517c4).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1688   +/-   ##
=======================================
  Coverage   79.52%   79.52%           
=======================================
  Files          48       48           
  Lines        2090     2090           
  Branches      461      460    -1     
=======================================
  Hits         1662     1662           
  Misses        398      398           
  Partials       30       30