fix: keycloak upgrade wait (#1037)

## Description

keycloak upgrades on major versions seem to be a bit finicky. Adding a
wait to kubectl scale down so that the scale down finishes, before the
update happens.


## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Other (security config, docs update, etc)

## Checklist before merging

- [x] Test, docs, adr added or updated as needed
- [x] [Contributor
Guide](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)
followed

---------

Co-authored-by: Micah Nagel <[email protected]>

src/keycloak/common/zarf.yaml

@@ -40,6 +40,7 @@ components:
                   echo "Keycloak is installed and not on the latest version. Scaling down..."
                   zarf tools kubectl delete hpa keycloak -n keycloak
                   zarf tools kubectl scale statefulsets keycloak -n keycloak --replicas=1
+                  zarf tools kubectl wait --for=jsonpath='{.status.replicas}'=1 statefulset/keycloak -n keycloak --timeout=60s
                   export KEYCLOAK_IS_HA=true
                 else
                   echo "Keycloak is not deployed in HA mode, skipping scale down."