Update cookbook plugin to latest revision

- Correct grammar of greeting configuration options

Change-Id: Iee919ad038c34a50505062e9629a7d45365d6973
diff --git a/plugins/cookbook-plugin b/plugins/cookbook-plugin
index eb8f797..dda1b78 160000
--- a/plugins/cookbook-plugin
+++ b/plugins/cookbook-plugin
@@ -1 +1 @@
-Subproject commit eb8f7977c2c49cfda615b5b205e23d7e9c1818fd
+Subproject commit dda1b787dba031597b83db1eb3c1b57565059b68