Auto merge of #124146 - madsmtm:apple-triage, r=dtolnay

Triagebot: Rename `macos` ping group to `apple`

Expand the scope of the macOS ping group to all Apple targets.

Blocked on https://github.com/rust-lang/team/pull/1436 (rename in `team` repo)
Blocked on https://github.com/rust-lang/rustc-dev-guide/pull/1964 (referenced documentation link)

`@rustbot` label O-macos O-ios O-tvos O-watchos O-visionos