Updated openstack/openstack
Project: openstack/heat  e2b2b7adffd554a88bbb780f1fae8168775fd9ee

Fix serialization of InvalidSchemaError

Move InvalidSchemaError to heat.common.exception and pass a keyword
argument so that it can be serialized properly.

Change-Id: Iada3273b2b0b129bc0125b68fecf1e0efc081611
Closes-Bug: #1336740