Extend ko.local and kind.local detection to include sub-repos

[imjasonh]

Prior to this, if I set KO_DOCKER_REPO=kind.local/foo/bar, this logic would attempt to publish to a remote registry named kind.local. Same with ko.local.

[codecov-commenter]

Codecov Report

Merging #796 (3c96e97) into main (2c58e4a) will not change coverage.
The diff coverage is 50.00%.

@@           Coverage Diff           @@
##             main     #796   +/-   ##
=======================================
  Coverage   51.45%   51.45%           
=======================================
  Files          44       44           
  Lines        3339     3339           
=======================================
  Hits         1718     1718           
  Misses       1401     1401           
  Partials      220      220           

Impacted Files	Coverage Δ
pkg/commands/resolver.go	34.02% <50.00%> (ø)

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