docs: fix missing or invalid jsdocs

[ST-DDT]

During #2628 I found some issues with the existing jsdocs. This PR fixes them.
We should probably include them in a v8.x bugfix release to have a clean end to v8.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8ccc49d) 99.57% compared to head (16cdedc) 99.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #2630      +/-   ##
==========================================
- Coverage   99.57%   99.57%   -0.01%     
==========================================
  Files        2807     2807              
  Lines      250452   250481      +29     
  Branches     1150     1148       -2     
==========================================
+ Hits       249388   249408      +20     
- Misses       1036     1045       +9     
  Partials       28       28              

Files	Coverage Δ
src/faker.ts	89.42% <100.00%> (+0.28%)	⬆️
src/modules/location/index.ts	99.20% <100.00%> (-0.01%)	⬇️
src/simple-faker.ts	100.00% <100.00%> (ø)

... and 1 file with indirect coverage changes