chore: add generic util.Ptr function

[gsquared94]

Replace util.StringPtr, util.IntPtr and util.BoolPtr with a generic util.Ptr 🥹

func Ptr[T any](t T) *T {
	o := t
	return &o
}

[codecov]

Codecov Report

Merging #7961 (9323b81) into main (290280e) will decrease coverage by 3.66%.
The diff coverage is 54.09%.

@@            Coverage Diff             @@
##             main    #7961      +/-   ##
==========================================
- Coverage   70.48%   66.82%   -3.67%     
==========================================
  Files         515      594      +79     
  Lines       23150    28794    +5644     
==========================================
+ Hits        16317    19241    +2924     
- Misses       5776     8138    +2362     
- Partials     1057     1415     +358     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/credits/export.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/deploy.go	40.90% <0.00%> (-12.94%)	⬇️
cmd/skaffold/app/cmd/test.go	44.44% <0.00%> (ø)
cmd/skaffold/app/exitcode.go	100.00% <ø> (+6.66%)	⬆️
cmd/skaffold/skaffold.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/inspect_tests.go	62.50% <14.28%> (-1.14%)	⬇️
cmd/skaffold/app/cmd/render.go	35.48% <18.18%> (-5.90%)	⬇️
cmd/skaffold/app/cmd/lsp.go	28.12% <28.12%> (ø)
cmd/skaffold/app/cmd/run.go	64.28% <33.33%> (-9.63%)	⬇️
cmd/skaffold/app/cmd/fix.go	56.41% <37.50%> (-20.07%)	⬇️
... and 389 more

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[aaron-prindle]

LGTM. It's glorius! 🥇