docs(image): explain deprecation of category methods

[matthewmayer]

fix #2019

Not sure if an explanation is required next to the @see as well as in the deprecation section?

[codecov]

Codecov Report

Merging #2040 (20bdd19) into next (62b1aed) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head 20bdd19 differs from pull request most recent head 0e82c40. Consider uploading reports for the commit 0e82c40 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #2040      +/-   ##
==========================================
- Coverage   99.61%   99.60%   -0.02%     
==========================================
  Files        2535     2535              
  Lines      241607   241641      +34     
  Branches     1281     1276       -5     
==========================================
+ Hits       240678   240683       +5     
- Misses        902      931      +29     
  Partials       27       27              

Impacted Files	Coverage Δ
src/modules/image/index.ts	100.00% <100.00%> (ø)

... and 9 files with indirect coverage changes

[xDivisionByZerox]

Please update the runtime warning messages in the proposed properties as well.
Otherwise looks good.