[stable/zed] Fix CA mount (#1312)

This is an automated cherry-pick of #1303
/assign mnaser
diff --git a/roles/keystone/vars/main.yml b/roles/keystone/vars/main.yml
index 1b67f80..a051576 100644
--- a/roles/keystone/vars/main.yml
+++ b/roles/keystone/vars/main.yml
@@ -22,12 +22,12 @@
     mounts:
       keystone_api:
         keystone_api:
-          volumeMounts: "{{ keystone_domains | vexxhost.atmosphere.keystone_domains_to_mounts + [{'name': 'etc-ssl-certs', 'mountPath': '/etc/ssl/certs', 'readOnly': true}] }}"
+          volumeMounts: "{{ keystone_domains | vexxhost.atmosphere.keystone_domains_to_mounts + [{'name': 'ca-certificates', 'mountPath': '/etc/ssl/certs/ca-certificates.crt', 'readOnly': true}] }}"
           volumes:
             - name: keystone-openid-metadata
               configMap:
                 name: keystone-openid-metadata
-            - name: etc-ssl-certs
+            - name: ca-certificates
               hostPath:
                 path: "{{ defaults_ca_certificates_path }}"
   conf: