Fix PR reference in NEWS (#59046)

Author: MilesCranmer

NEWS.md

@@ -6,7 +6,7 @@ New language features
 
   - New `Base.@acquire` macro for a non-closure version of `Base.acquire(f, s::Base.Semaphore)`, like `@lock`. ([#56845])
   - New `nth` function to access the `n`-th element of a generic iterable. ([#56580])
-  - New `@__FUNCTION__` macro to refer to the innermost enclosing function. ([#58909])
+  - New `@__FUNCTION__` macro to refer to the innermost enclosing function. ([#58940])
   - The character U+1F8B2 🢲 (RIGHTWARDS ARROW WITH LOWER HOOK), newly added by Unicode 16,
     is now a valid operator with arrow precedence, accessible as `\hookunderrightarrow` at the REPL.
     ([JuliaLang/JuliaSyntax.jl#525], [#57143])