Updated CHANGELOG (#9022)

Fixed version number for changes in v3.150.1.1

Author: icnocop

cpp/iedriverserver/CHANGELOG

@@ -9,7 +9,7 @@ available via the project downloads page. Changes in "revision" field indicate
 private releases checked into the prebuilts directory of the source tree, but
 not made generally available on the downloads page.
 
-v3.150.1.0
+v3.150.1.1
 ==========
  * Made checking of the Content-Length header case-insensitive. This fixes
    a number of issues where sessions cannot be started or where commands