Fix for Environment Canada date being wrong after midnight (#121850)

* Use async_connect in newly bumped 0.5.8 UPB library.

* Fix tests.

* Fix date being wrong after midnight for Environment Canada

* Fix typing.

* Add test.

* Formatting.

* Remove tests until can be added properly.

* Add weather tests back.

* Fix tests

* Change of tactic for determining previous day's data.

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Co-authored-by: G Johansson <goran.johansson@shiftit.se>