Kristi reviews automatic approval of allocation change requests

[joachimweyl]

• Automatically approves change requests decreasing quotas for Openshift nerc-project/coldfront-plugin-cloud#207 (bumped from last week)
• Allow validation of Openshift allocations when changing quotas nerc-project/coldfront-plugin-cloud#208 (bumped from last week)
• Allow validation of Openshift allocations when changing quotas nerc-project/coldfront-nerc#139 (bumped from last week)