Update NEWS.md

Author: IanButterworth

NEWS.md

@@ -137,7 +137,7 @@ Standard library changes
 
 * `Profile.take_heap_snapshot` takes a new keyword argument, `redact_data::Bool`,
   that is `true` by default. When set, the contents of Julia objects are not emitted
-  in the heap snapshot. This currently only applies to strings.
+  in the heap snapshot. This currently only applies to strings. ([#55326])
 
 #### Random