Typo fix in NEWS.md (#38266)

There's also a bunch of issue links that are missing (#37410, #37247, #37540, #37973, #37461, #37753) but it seems there's a script that generates the links so I'm assuming that will be fixed automatically.

Co-authored-by: Viral B. Shah <[email protected]>

Author: tlienart

NEWS.md

@@ -53,7 +53,7 @@ Compiler/Runtime improvements
 * All platforms can now use `@executable_path` within `jl_load_dynamic_library()`.
   This allows executable-relative paths to be embedded within executables on all
   platforms, not just MacOS, which the syntax is borrowed from ([#35627]).
-* Constant propogation now occurs through keyword arguments ([#35976]).
+* Constant propagation now occurs through keyword arguments ([#35976]).
 * The precompilation cache is now created atomically ([#36416]). Invoking _n_
   Julia processes simultaneously may create _n_ temporary caches.