Persist EventV2 logs when --event-log-file exists

[verbanicm]

Fixes: #6533

Description
Added code to persist EventV2 logs in a separate log file with extension .v2 if the --event-log-file flag is set

[codecov]

Codecov Report

Merging #6581 (e544d0a) into main (290280e) will decrease coverage by 0.07%.
The diff coverage is 51.35%.

@@            Coverage Diff             @@
##             main    #6581      +/-   ##
==========================================
- Coverage   70.48%   70.40%   -0.08%     
==========================================
  Files         515      517       +2     
  Lines       23150    23272     +122     
==========================================
+ Hits        16317    16385      +68     
- Misses       5776     5826      +50     
- Partials     1057     1061       +4     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/cmd.go	70.68% <0.00%> (-0.38%)	⬇️
cmd/skaffold/app/cmd/flags.go	90.81% <ø> (ø)
cmd/skaffold/skaffold.go	0.00% <ø> (ø)
pkg/skaffold/build/buildpacks/logger.go	0.00% <ø> (ø)
pkg/skaffold/config/options.go	100.00% <ø> (ø)
pkg/skaffold/debug/apply_transforms.go	22.64% <0.00%> (-0.44%)	⬇️
pkg/skaffold/debug/transform.go	95.91% <ø> (ø)
pkg/skaffold/docker/logger/log.go	22.64% <0.00%> (-0.44%)	⬇️
pkg/skaffold/kubectl/exec.go	100.00% <ø> (ø)
pkg/skaffold/schema/latest/v1/config.go	62.16% <ø> (ø)
... and 31 more

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[tejal29]

Thanks for the quick fix!