Cylc-uiserver

[Updated cylc-ui to 1.2.1](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-121-released-2022-05-30)

[Updated cylc-ui to 1.2.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-120-released-2022-05-19)

Internal changes, see https://github.com/cylc/cylc-uiserver/milestone/11?closed=1

[Updated cylc-ui to 1.1.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-110-released-2022-03-23)

Fixes

[324](https://github.com/cylc/cylc-uiserver/pull/324) -
Fix issues where workflow status could be incorrect.

[Updated cylc-ui to 1.0.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-100-released-2022-02-17)

Enhancements

[301](https://github.com/cylc/cylc-uiserver/pull/301) -
Version hierarchy added to jupyter_config.py files, to match cylc-flow. Config
files are now sourced from `.cylc/uiserver/<version>` rather than `.cylc/hub`.

[297](https://github.com/cylc/cylc-uiserver/pull/297) -
Updated for the new Global Universal ID.

Fixes

[304](https://github.com/cylc/cylc-uiserver/pull/304) -
Suppressed client connection traceback.

Multi-user functionality implemented.

[Updated cylc-ui to 0.6.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-06-released-2021-11-10)

Enhancements

[204](https://github.com/cylc/cylc-uiserver/pull/**204**) -
Implementation of configurable multi user authorisation.

[230](https://github.com/cylc/cylc-uiserver/pull/230) -
Convert the UI Server to a jupyter_server extension.

Fixes

[258](https://github.com/cylc/cylc-uiserver/pull/258) -
Fix traceback which could appear when workflows are removed.

[241](https://github.com/cylc/cylc-uiserver/pull/241) -
Update old, broken hold options for playing workflows.

[272](https://github.com/cylc/cylc-uiserver/pull/272) -
Allowed broken entries in the group id database to be
ignored and logged without causing total failure.

Enhancements

[214](https://github.com/cylc/cylc-uiserver/pull/214) -
Store the JupyterHub runtime files in ~/.cylc/hub.