chore(deps): update ghcr.io/vexxhost/atmosphere/keystone:zed docker digest to 251b150 (#844)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
diff --git a/roles/defaults/vars/main.yml b/roles/defaults/vars/main.yml
index 9c577ab..e6ff581 100644
--- a/roles/defaults/vars/main.yml
+++ b/roles/defaults/vars/main.yml
@@ -75,14 +75,14 @@
   ingress_nginx_kube_webhook_certgen: registry.k8s.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:23a03c9c381fba54043d0f6148efeaf4c1ca2ed176e43455178b5c5ebf15ad70 # noqa: yaml[line-length]
   keepalived: us-docker.pkg.dev/vexxhost-infra/openstack/keepalived:2.0.19@sha256:4fe20cd5c200e301e1a790c9aca8c3fc651c8461afea9d37c56a462d3bfa48bb
   keycloak: quay.io/keycloak/keycloak:22.0.1-0@sha256:5b872e841ea9e394d89bdf250146434532d9c2001404540d46621d60f87494e7
-  keystone_api: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
+  keystone_api: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
   keystone_credential_cleanup: ghcr.io/vexxhost/atmosphere/heat:zed@sha256:33a311d1108e5487de775829ef9713b86611dbe70eaac9154640e857fa3c3846
-  keystone_credential_rotate: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
-  keystone_credential_setup: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
-  keystone_db_sync: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
+  keystone_credential_rotate: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
+  keystone_credential_setup: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
+  keystone_db_sync: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
   keystone_domain_manage: ghcr.io/vexxhost/atmosphere/heat:zed@sha256:33a311d1108e5487de775829ef9713b86611dbe70eaac9154640e857fa3c3846
-  keystone_fernet_rotate: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
-  keystone_fernet_setup: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:af2244cef560dfad20d4ae1a49440db89e455bec95168ff210071e05c606de29
+  keystone_fernet_rotate: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
+  keystone_fernet_setup: ghcr.io/vexxhost/atmosphere/keystone:zed@sha256:251b150e5a634560887abfad252a08e2ec3be48352145b8ea041bd114a0e17cf
   ks_endpoints: ghcr.io/vexxhost/atmosphere/heat:zed@sha256:33a311d1108e5487de775829ef9713b86611dbe70eaac9154640e857fa3c3846
   ks_service: ghcr.io/vexxhost/atmosphere/heat:zed@sha256:33a311d1108e5487de775829ef9713b86611dbe70eaac9154640e857fa3c3846
   ks_user: ghcr.io/vexxhost/atmosphere/heat:zed@sha256:33a311d1108e5487de775829ef9713b86611dbe70eaac9154640e857fa3c3846