DOCSP-26805 mongosh 1.6.1 release notes (#242)

* DOCSP-26805 mongosh 1.6.1 release notes

* external review changes

Author: jmd-mongo

source/changelog.txt

@@ -12,6 +12,20 @@ Release Notes
    :depth: 1
    :class: singlecol
 
+v1.6.1
+------
+
+*Released December 1, 2022*
+
+- :issue:`MONGOSH-1320`: Fixes a startup bug related to Docker and 
+  similar environments.
+
+- :issue:`MONGOSH-1050`: Adds support for the 
+  ``convertShardKeyToHashed()`` helper method.
+  
+`Full release notes available on JIRA
+<https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=17381&version=34525>`__.
+
 v1.6.0
 ------