refactor: organize event v2 functions

[MarlonGamez]

Description
Refactors some functions used in the event api v2 into different files. Removes some of the bloat from event.go

[codecov]

Codecov Report

Merging #6802 (1efe30e) into main (290280e) will decrease coverage by 1.11%.
The diff coverage is 65.62%.

@@            Coverage Diff             @@
##             main    #6802      +/-   ##
==========================================
- Coverage   70.48%   69.36%   -1.12%     
==========================================
  Files         515      542      +27     
  Lines       23150    24590    +1440     
==========================================
+ Hits        16317    17058     +741     
- Misses       5776     6400     +624     
- Partials     1057     1132      +75     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/deploy.go	52.00% <ø> (-1.85%)	⬇️
cmd/skaffold/app/cmd/flags.go	89.00% <0.00%> (-1.82%)	⬇️
cmd/skaffold/app/cmd/render.go	36.66% <0.00%> (-4.72%)	⬇️
cmd/skaffold/skaffold.go	0.00% <ø> (ø)
cmd/skaffold/app/cmd/find_configs.go	48.88% <50.00%> (+0.24%)	⬆️
cmd/skaffold/app/cmd/lint.go	52.94% <52.94%> (ø)
cmd/skaffold/app/cmd/cmd.go	70.49% <75.00%> (-0.57%)	⬇️
cmd/skaffold/app/cmd/debug.go	100.00% <100.00%> (ø)
cmd/skaffold/app/cmd/runner.go	64.17% <100.00%> (ø)
cmd/skaffold/app/flags/image.go	76.27% <100.00%> (+3.72%)	⬆️
... and 134 more

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