fix(cli): parse --profile=<profile> syntax

[amrbashir]

ref: #6255 (comment)

[bukowa]

Can we check for all flags not only profile?

[amrbashir]

Our CLI arguments are parsed using clap crate which covers this syntax for us and so we don't need do it manually. However, we allow passing arbitrary args to the build runner (usually cargo) and these args could contain --profile which conflicts with --release flag that we pass internally so we need to avoid this conflict. In short, this is the only place we manually check for the flag and its value.