Bump version to 1.2.0

Bum version to 1.1.0

* Upgrade many of the dependencies to much newer version
* Fix github workflow to use newer ubuntu runner
* Suport multiple DB connections by naming respective health-provider and composing them

Lastest fastapi is having issues rendering nested dataclasses

FastAPI is not properly encoding the nexted HealthSummary - child members/keys
aren't included.

Once method's return changed to `object` the JSON is rendered as expected.

Bump version to 1.0.1

Tornado isn't a valid classifier yet

See https://pypi.org/classifiers/

Bump version to 0.18.1

Bump version to 0.18.0

Bump version to 0.17.0

Bumped pyctuator version to 0.16.0

Bumped pyctuator version to 0.15.0