Girder-slicer-cli-web

What's Changed
* When updating jobs, maintain references in https://github.com/girder/slicer_cli_web/pull/160
* Make errors more findable in https://github.com/girder/slicer_cli_web/pull/161


**Full Changelog**: https://github.com/girder/slicer_cli_web/compare/v1.2.7...v1.2.8

Improvements
- Add support for template parameters from the environment (159)

Improvements

- Add support for polygon regions (153)
- Unpinned some requirement packages (156)

Improvements
Add a uuid to reference objects (151)

Improvements
Populate default file names for referenced but optional files (150)

Changes
- Reduce dependencies