[ci skip] update NEWS

Move entry to proper section

Author: weltling

NEWS

@@ -36,6 +36,8 @@ PHP                                                                        NEWS
     that getrandom() is missing). (sarciszewski)
   . Fixed bug #73124 (php_ini_scanned_files() not reporting correctly).
     (John Stevenson)
+  . Fixed bug #75574 (putenv does not work properly if parameter contains
+    non-ASCII unicode character). (Anatol)
 
 - Zip:
   . Fixed bug #75540 (Segfault with libzip 1.3.1). (Remi)