DM-4037: Require non-empty doc string for config parameters

[enourbakhsh]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.03 ⚠️

Comparison is base (b6be565) 82.65% compared to head (aa64232) 82.62%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #336      +/-   ##
==========================================
- Coverage   82.65%   82.62%   -0.03%     
==========================================
  Files          66       66              
  Lines        7124     7124              
  Branches     1387     1387              
==========================================
- Hits         5888     5886       -2     
- Misses        992      993       +1     
- Partials      244      245       +1     

Impacted Files	Coverage Δ
tests/test_configOverrides.py	100.00% <100.00%> (ø)
tests/test_testUtils.py	99.04% <100.00%> (ø)

... and 1 file with indirect coverage changes

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