NCBC-3821: Update CouchbaseNetClientReleasedVersion to 3.6.2

Motivation
----------
Update build property according to the released version of the SDK.

Change-Id: If4cd7b5e53fff010e97090da01499bc4fdfd4065
Reviewed-on: https://review.couchbase.org/c/couchbase-net-client/+/212857
Tested-by: Build Bot <[email protected]>
Reviewed-by: Jeffry Morris <[email protected]>

Author: emilienbev

Directory.Build.props

@@ -20,7 +20,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- update this after a release-->
-    <CouchbaseNetClientReleasedVersion>3.6.0</CouchbaseNetClientReleasedVersion>
+    <CouchbaseNetClientReleasedVersion>3.6.2</CouchbaseNetClientReleasedVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- libraries typically include NetStandardTargets for widest use cases -->