Auto merge of #152574 - JonathanBrouwer:rollup-ERc05AE, r=JonathanBrouwer

Rollup of 14 pull requests

Successful merges:

 - rust-lang/rust#152323 (Fix ICE in borrowck when recovering `fn_sig` for `-> _`)
 - rust-lang/rust#152469 (Remove unused features)
 - rust-lang/rust#152515 (Extract `DepKindVTable` constructors to their own module)
 - rust-lang/rust#152555 (Port `#[rustc_diagnostic_item]` to the new attribute parsers)
 - rust-lang/rust#152218 (Report unconstrained region in hidden types lazily)
 - rust-lang/rust#152356 (Improve the `inline_fluent!` macro)
 - rust-lang/rust#152392 (Fix ICE in supertrait_vtable_slot when supertrait has missing generics)
 - rust-lang/rust#152407 (Add regression test for type_const with unit struct ctor under mGCA)
 - rust-lang/rust#152440 (Fix typos and grammar in compiler and build documentation)
 - rust-lang/rust#152536 (bootstrap: add explicit UTF-8 encoding to text-mode open() calls)
 - rust-lang/rust#152554 (Remove `deprecated_safe` and its corresponding feature gate)
 - rust-lang/rust#152556 (doc: move riscv64a23-unknown-linux-gnu to tier 2)
 - rust-lang/rust#152563 (Replace "bug" with "issue" in triagebot ping messages)
 - rust-lang/rust#152565 (fix missleading error for tuple ctor)

Failed merges:

 - rust-lang/rust#152512 (core: Implement feature `float_exact_integer_constants`)
 - rust-lang/rust#152296 (Port `rust_nonnull_optimization_guaranteed` and `rustc_do_not_const_check` to the new attribute parser)