Enable defining 'auth_encryption_key' param in pillar
  - update test pillars
  - update dependencies for queens testing

Fixes: PROD-22585 (PROD:22585)

Change-Id: I2d8879b3892d5c0d8fddd39908dac4fe78c1dab1
diff --git a/metadata.yml b/metadata.yml
index aaf139d..d4be702 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -4,3 +4,6 @@
 dependencies:
 - name: keystone
   source: "https://github.com/salt-formulas/salt-formula-keystone"
+dependencies:
+- name: oslo_templates
+  source: "https://github.com/salt-formulas/salt-formula-oslo-templates"
\ No newline at end of file