Cylc-uiserver

[Updated cylc-ui to 2.7.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md)

🔧 Fixes

[619](https://github.com/cylc/cylc-uiserver/pull/619) - Ensure that subprocesses created by Cylc UI Server are cleaned up correctly when the server shuts down.

[645](https://github.com/cylc/cylc-uiserver/pull/645) - Add a default timeout for the `cylc cat-log` command which is used to provide access to log files in the cylc-ui.
This timeout can be adjusted with the `log_timeout` option.

[Updated cylc-ui to 2.6.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md)

🔧 Fixes

[607](https://github.com/cylc/cylc-uiserver/pull/607) - Log any errors when trying to list the workflow/job log files in the UI.

[619](https://github.com/cylc/cylc-uiserver/pull/619) - Ensure that subprocesses created by Cylc UI Server are cleaned up correctly when the server shuts down.

[Updated cylc-ui to 2.5.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md)

🚀 Enhancements

[507](https://github.com/cylc/cylc-uiserver/pull/507) - Added functionality for routing to a multiuser deployment when running cylc gui command.

[548](https://github.com/cylc/cylc-uiserver/pull/548) - Improve the performance of the GraphQL server.

🔧 Fixes

[592](https://github.com/cylc/cylc-uiserver/pull/592) - Compatibility with JupyterHub 4.1 XSRF changes for static requests

[Updated cylc-ui to 2.4.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md)

🔧 Fixes

[558](https://github.com/cylc/cylc-uiserver/pull/558) - Permit Jupyter Lab to be run in the same Jupyter Server instance as the Cylc UI Server in standalone mode (i.e. via `cylc gui`), note it was already possible to do this in multi-user mode (i.e. via `cylc hub`).

[570](https://github.com/cylc/cylc-uiserver/pull/570) - Fix an issue that could impose a low limit on the number of active workflows the server is able to track.

🔧 Fixes

[533](https://github.com/cylc/cylc-uiserver/pull/533) - Fixed bug introduced in 1.4.2 where playing a workflow would fail if using a Cylc environment whose name does not match `cylc-8.X.Y` exactly.

[Updated cylc-ui to 2.3.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md)

🔧 Fixes

[525](https://github.com/cylc/cylc-uiserver/pull/525) - Fix bugs when playing workflows using the form:
- Specified Cylc version wasn't working
- Could not play multiple workflows