Merge branch 'task/update-sdk-version' into 'develop'

Update version to 9.15.0

See merge request sdk/sdk!6924

Author: MEGA-SDK-releases

include/mega/version.h

@@ -2,7 +2,7 @@
 #define MEGA_MAJOR_VERSION 9
 #endif
 #ifndef MEGA_MINOR_VERSION
-#define MEGA_MINOR_VERSION 14
+#define MEGA_MINOR_VERSION 15
 #endif
 #ifndef MEGA_MICRO_VERSION
 #define MEGA_MICRO_VERSION 0