fix(k8s): typo (#494)

Author: Julien Bouquillon

.kube-workflow/env/prod/templates/metabase.configmap.yaml

@@ -2,7 +2,7 @@ kind: ConfigMap
 apiVersion: v1
 metadata:
   name: metabase-configmap
-  namespace: enfants-du-spectable
+  namespace: enfants-du-spectacle
 data:
   MB_DB_TYPE: postgres
   MB_ADMIN_EMAIL: contact@fabrique.social.gouv.fr