fix: fix missing magnum registry image (#877)

Co-authored-by: okozachenko1203 <okozachenko1203@users.noreply.github.com>
diff --git a/roles/defaults/vars/main.yml b/roles/defaults/vars/main.yml
index 8499894..7ff5bcc 100644
--- a/roles/defaults/vars/main.yml
+++ b/roles/defaults/vars/main.yml
@@ -105,7 +105,7 @@
   magnum_cluster_api_proxy: ghcr.io/vexxhost/atmosphere/magnum:zed@sha256:df5a2662803e423cf6d158254e519095930a70ea050aa51d1871f1c7d19aa060
   magnum_conductor: ghcr.io/vexxhost/atmosphere/magnum:zed@sha256:df5a2662803e423cf6d158254e519095930a70ea050aa51d1871f1c7d19aa060
   magnum_db_sync: ghcr.io/vexxhost/atmosphere/magnum:zed@sha256:df5a2662803e423cf6d158254e519095930a70ea050aa51d1871f1c7d19aa060
-  magnum_registry: quay.io/vexxhost/magnum-cluster-api-registry:main@sha256:0716680b280b2a723fd72740539419e7b1ae13efefe06651b08b88cca1129792
+  magnum_registry: quay.io/vexxhost/magnum-cluster-api-registry:latest@sha256:b954f23ccdbfb2b5b43f6a4e6f7ef5f2ba7bfc81f31de54cf141a56b26628c41
   manila_api: ghcr.io/vexxhost/atmosphere/manila:zed@sha256:5c590bf7fc738e8ab11dc267285c207a06098bc113bd70696f6928a7a887e844
   manila_data: ghcr.io/vexxhost/atmosphere/manila:zed@sha256:5c590bf7fc738e8ab11dc267285c207a06098bc113bd70696f6928a7a887e844
   manila_db_sync: ghcr.io/vexxhost/atmosphere/manila:zed@sha256:5c590bf7fc738e8ab11dc267285c207a06098bc113bd70696f6928a7a887e844