[ATMOSPHERE-587] support SQLAlchemy 2.0 and fix the number of max active fernet keys in Keystone (#2124)

Depends-On: #2132
diff --git a/charts/ovn/requirements.yaml b/charts/ovn/requirements.yaml
index ddafbfc..b3d5dcf 100644
--- a/charts/ovn/requirements.yaml
+++ b/charts/ovn/requirements.yaml
@@ -1,4 +1,4 @@
 dependencies:
 - name: helm-toolkit
   repository: https://tarballs.openstack.org/openstack-helm-infra
-  version: 0.2.64
+  version: 0.2.69