Karton-dashboard

New features and improvements:
* Karton v5.4.0 optimizations, dashboard should work faster when multiple analyses are enqueued (by psrok1 in https://github.com/CERT-Polska/karton-dashboard/pull/83)
* Dashboard can be served on a non-root path (by kazet in https://github.com/CERT-Polska/karton-dashboard/pull/79)
* Docker images for arm64 (by msm-cert in https://github.com/CERT-Polska/karton-dashboard/pull/80)
* Removed an unused static `/graph` route (by msm-code in https://github.com/CERT-Polska/karton-dashboard/pull/78)

**Full Changelog**: https://github.com/CERT-Polska/karton-dashboard/compare/v1.5.0...v1.6.0

New features and improvements:

- New `services` tab to inspect non-consumer services using `with_service_info=True` flag (https://github.com/CERT-Polska/karton-dashboard/pull/72)
- Tasks are restarted directly to the consumer queue using `KartonBackend.restart_task` (https://github.com/CERT-Polska/karton-dashboard/pull/76, thanks Antelox)
- Thanks to tjni and dotlambda for Mistune upgrade and version pinning fixups (https://github.com/CERT-Polska/karton-dashboard/pull/68, https://github.com/CERT-Polska/karton-dashboard/pull/71)

Bugfixes:

- YYYY-MM-DD date format instead of YYYY-DD-MM in timestamps (https://github.com/CERT-Polska/karton-dashboard/pull/66)

New features and improvements:

- `karton-core` bumped to v5.0.0 (62)
- Added information about task status `last update` time (60)
- Migrated to Bootstrap 5 with few minor UI fixes (https://github.com/CERT-Polska/karton-dashboard/pull/60)

New features:
- Added option to cancel pending tasks (https://github.com/CERT-Polska/karton-dashboard/pull/50, thanks alex-ilgayev!)
- Added graph of Karton task flow between services (https://github.com/CERT-Polska/karton-dashboard/pull/56, thanks syank0!)

Bugfixes:
- Fixed task cancelling broken by Karton v4.4.0

Fixed:
- Removed unnecessary form ids 43
- Fixed karton metrics generation 44

Improvements:
- Documented karton metrics 45

Misc:
- Dropped support for Python 3.6 46

New features:
- Karton metrics are exposed in dashboard (https://github.com/CERT-Polska/karton-dashboard/pull/39)

Bugfixes:
- Fixed crashed task forms (https://github.com/CERT-Polska/karton-dashboard/pull/38)
- Fixed documentation and karton-core version pinning