Tell couchbase to reattach threads if needed, before shutdown

Author: srjlewis

CHANGELOG.md

@@ -2,7 +2,7 @@
 #### 29 July 2024
 - __Driver Core__
   - `Couchbasev4` Allow calling of `prepareToFork()` when driver is not initialized to allow switch between drivers.
-  - `Couchbasev4` Tell couchbase to reattach its threads if needed, before preparing to forking.
+  - `Couchbasev4` Tell couchbase to reattach its threads if needed, while preparing to forking and on destruct.
 
 ## 9.2.1
 #### 25 April 2024