Fix config line number in DEVELOPMENT.md

[maggieneterval]

Description

Correct pkg/skaffold/schema/latest/config.go comment line number from L25 to L28.

[codecov]

Codecov Report

Merging #5619 (aca6509) into master (9edaca4) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5619      +/-   ##
==========================================
+ Coverage   70.83%   70.85%   +0.01%     
==========================================
  Files         404      404              
  Lines       15243    15243              
==========================================
+ Hits        10798    10800       +2     
+ Misses       3647     3646       -1     
+ Partials      798      797       -1     

Impacted Files	Coverage Δ
pkg/skaffold/docker/parse.go	84.32% <0.00%> (-1.09%)	⬇️
pkg/skaffold/util/tar.go	56.00% <0.00%> (+5.33%)	⬆️

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