Auto merge of #8096 - ehuss:codegen-units-default, r=Eh2406
Auto merge of #8096 - ehuss:codegen-units-default, r=Eh2406

Update default for codegen-units.

The default for codegen-units was changed in https://github.com/rust-lang/rust/pull/70156.

tshepang/cargo,tsurai/cargo,tsurai/cargo,rust-lang/cargo,tshepang/cargo,rust-lang/cargo,rustyhorde/cargo,nipunn1313/cargo,tsurai/cargo,nipunn1313/cargo,rustyhorde/cargo,rust-lang/cargo,eminence/cargo,rustyhorde/cargo,tsurai/cargo,eminence/cargo,nipunn1313/cargo,rust-lang/cargo,eminence/cargo,eminence/cargo,tshepang/cargo,nipunn1313/cargo,tsurai/cargo,tshepang/cargo,rustyhorde/cargo