Fix missing colon in NEWS

Author: bukka

NEWS

@@ -8,7 +8,7 @@ PHP                                                                        NEWS
   . Fixed bug #81746 (1-byte array overrun in common path resolve code). 
     (CVE-2023-0568). (Niels Dossche)
 
-- SAPI
+- SAPI:
   . Fixed bug GHSA-54hq-v5wp-fqgv (DOS vulnerability when parsing multipart
     request body). (CVE-2023-0662) (Jakub Zelenka)