postgres source/destination - bump postgres driver version (#39460)

Co-authored-by: Yue Li <61070669+theyueli@users.noreply.github.com>

airbyte-integrations/connectors/source-postgres/build.gradle

@@ -12,7 +12,7 @@ java {
 }
 
 airbyteJavaConnector {
-    cdkVersionRequired = '0.38.1'
+    cdkVersionRequired = '0.38.2'
     features = ['db-sources', 'datastore-postgres']
     useLocalCdk = false
 }