move escape_string NEWS (from #38597) to the correct section [ci skip]

Author: stevengj

NEWS.md

@@ -4,8 +4,6 @@ Julia v1.7 Release Notes
 New language features
 ---------------------
 * `count` and `findall` now accept an `AbstractChar` argument to search for a character in a string ([#38675]).
-* `escape_string` can now receive a collection of characters in the keyword
-  `keep` that are to be kept as they are. ([#38597])
 
 Language changes
 ----------------
@@ -42,6 +40,8 @@ Standard library changes
 
 * `islowercase` and `isuppercase` are now compliant with the Unicode lower/uppercase categories ([#38574]).
 * `iseven` and `isodd` functions now support non-`Integer` numeric types ([#38976]).
+* `escape_string` can now receive a collection of characters in the keyword
+  `keep` that are to be kept as they are. ([#38597]).
 
 #### Package Manager