Auto merge of #130766 - clarfonthey:stable-coverage-attribute, r=wesleywiser

Stabilize #[coverage] attribute

Closes #84605, which passed FCP.

Stabilisation report here: rust-lang/rust#84605 (comment)

Also added to reference here: rust-lang/reference#1628

---

try-job: aarch64-apple
try-job: x86_64-gnu
try-job: x86_64-msvc

Author: bors

crates/hir-expand/src/inert_attr_macro.rs

@@ -237,7 +237,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
         template!(List: "address, kcfi, memory, thread"), DuplicatesOk,
         experimental!(no_sanitize)
     ),
-    gated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing, coverage_attribute, experimental!(coverage)),
+    ungated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing),
 
     ungated!(
         doc, Normal, template!(List: "hidden|inline|...", NameValueStr: "string"), DuplicatesOk