Update client

Author: croct-bot

.openapi-generator/VERSION

@@ -1 +1 @@
-5.1.1-SNAPSHOT
+6.3.0-SNAPSHOT

README.md

@@ -309,6 +309,7 @@ The list possible event types are:
 | `nothingChanged`       | 1.0.0         |
 | `goalCompleted`        | 1.0.0         |
 | `eventOccurred`        | 1.0.0         |
+| `slotPersonalized`     | 1.1.0         |
 
 #### Code Sample