Addressed issues

The following issues have been addressed in the Mirantis OpenStack for Kubernetes 21.1 release:

• [9809] [Kubernetes] Fixed the issue with the pods getting stuck in the Pending state during update of a MOSK cluster by increasing the default kubelet_max_pods setting to 150.

• [9589][StackLight] Fixed the issue with the Patroni pod crashing when scheduled to an OpenStack compute node with huge pages.

• [8573] [OpenStack] Fixed the issue with the external authentication to Horizon failing to log in a different user.