[ATMOSPHERE-188] feat: support SQLAlchemy 2.0 (#1622)

Closes #1281
diff --git a/charts/keystone/Chart.yaml b/charts/keystone/Chart.yaml
index b1dbb11..9205b40 100644
--- a/charts/keystone/Chart.yaml
+++ b/charts/keystone/Chart.yaml
@@ -9,4 +9,4 @@
 sources:
 - https://opendev.org/openstack/keystone
 - https://opendev.org/openstack/openstack-helm
-version: 0.3.5
+version: 0.3.15