update NEWS

Author: s-u

NEWS

@@ -7,7 +7,7 @@ NOTE: Rserve 1.8 series has many new features, but it has also removed
       whether they may be resurrected for the 1.9 series. If you don't
       know what it means, just ignore this note.
 
-1.8-15
+1.8-15	2024-12-10
     o	The static HTTP/HTTPS handers are now officially supported
 	so Rserve.http.add.static() is now exported and documented.
 	Also Rserve.http.rm.all.statics() has been added to allow the
@@ -61,7 +61,7 @@ NOTE: Rserve 1.8 series has many new features, but it has also removed
 	fine-grained control over the background servers).
 
 
-1.8-14
+1.8-14	2024-02-13
     o	Windows: use pkg-config if available (many thanks to Tomas
 	Kalibera for the work on the toolchain!)