[cmd/builder] Log output from go subcommands

[mx-psi]

Description:

Log output from go subcommands being ran as part of an ocb build.

[codecov]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
cmd/builder/internal/builder/config.go	65.95% <ø> (ø)
cmd/builder/internal/command.go	62.23% <100.00%> (+0.26%)	⬆️
cmd/builder/internal/builder/main.go	54.12% <29.16%> (-5.68%)	⬇️

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[codeboten]

@mx-psi some linting needed:

internal/builder/main.go:137: File is not `gofmt`-ed with `-s` (gofmt)
  
  if err := runGoCommand(cfg, "mod", "tidy", "-compat=1.20"); err != nil {