Auto merge of rust-lang#97435 - Patryk27:bump-compiler-builtins, r=Dylan-DPC

library/std: Bump compiler_builtins

Some neat changes include faster float conversions & fixes for AVR 🙂

(note that's it's my first time upgrading `compiler_builtins`, so I'm not 100% sure if bumping `library/std/Cargo.toml` is enough; certainly seems to be so, though.)

Author: bors

std/Cargo.toml

@@ -16,7 +16,7 @@ panic_unwind = { path = "../panic_unwind", optional = true }
 panic_abort = { path = "../panic_abort" }
 core = { path = "../core" }
 libc = { version = "0.2.126", default-features = false, features = ['rustc-dep-of-std'] }
-compiler_builtins = { version = "0.1.71" }
+compiler_builtins = { version = "0.1.73" }
 profiler_builtins = { path = "../profiler_builtins", optional = true }
 unwind = { path = "../unwind" }
 hashbrown = { version = "0.12", default-features = false, features = ['rustc-dep-of-std'] }