Add stable/zed jobs on master gate

As zed is released, we should add its job on master
gate to keep branchless tempest plugins compatible
to stable branch.

Ref: Tempest plugins guide for stable branch testing:
- https://docs.openstack.org/tempest/latest/stable_branch_testing_policy.html

Change-Id: Ia20cec2a500943a7f954c34614102c4d17a01c34
diff --git a/.zuul.yaml b/.zuul.yaml
index 45e39a9..d60cc74 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -7,6 +7,7 @@
       jobs:
         - barbican-tempest-plugin-simple-crypto
         - barbican-tempest-plugin-simple-crypto-secure-rbac
+        - barbican-tempest-plugin-simple-crypto-zed
         - barbican-tempest-plugin-simple-crypto-yoga
         - barbican-tempest-plugin-simple-crypto-xena
         - barbican-tempest-plugin-simple-crypto-wallaby
@@ -57,6 +58,19 @@
         - barbican-tempest-plugin
 
 - job:
+    name: barbican-tempest-plugin-simple-crypto-zed
+    parent: barbican-tempest-plugin-simple-crypto
+    nodeset: openstack-single-node-focal
+    override-checkout: stable/zed
+    vars:
+      devstack_local_conf:
+        test-config:
+          $TEMPEST_CONFIG:
+            key_manager:
+              min_microversion: '1.0'
+              max_microversion: '1.1'
+
+- job:
     name: barbican-tempest-plugin-simple-crypto-yoga
     parent: barbican-tempest-plugin-simple-crypto
     nodeset: openstack-single-node-focal