PHPLIB-323: Support typeMap option for change streams

Author: jmikola

source/includes/apiargs-MongoDBCollection-method-watch-option.yaml

@@ -70,4 +70,8 @@ optional: true
 source:
   file: apiargs-common-option.yaml
   ref: session
+---
+source:
+  file: apiargs-MongoDBCollection-common-option.yaml
+  ref: typeMap
 ...