Migrate to paho-mqtt 2.0

[JonathanPlasse]

• Fix Make aiomqtt compatible with paho v2 #279
  The tests are passing.
  The typing need more work both in aiomqtt and in paho-mqtt upstream.

[codecov]

Codecov Report

Attention: Patch coverage is 89.47368% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 88.5%. Comparing base (f7697de) to head (93014c1).

Files	Patch %	Lines
aiomqtt/client.py	77.7%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #286     +/-   ##
=======================================
+ Coverage   88.4%   88.5%   +0.1%     
=======================================
  Files          6       6             
  Lines        432     438      +6     
  Branches      83      83             
=======================================
+ Hits         382     388      +6     
  Misses        29      29             
  Partials      21      21             

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[JonathanPlasse]

@empicano, @frederikaalund, this is ready for review.
I fixed all MyPy errors and opened a pull request on paho.mqtt.python to upstream the type annotations fixes.

• Fix type annotations eclipse/paho.mqtt.python#828

The commit fix: MyPy errors 8c72a1a, use this branch and pass the checks and tests.
The last commit refactor: use paho-mqtt v2.0.0 with type ignores 93014c1, use paho-mqtt v2.0.0 with type ignores.

Thus, we can merge this PR and close #279.
And once paho-mqtt integrates eclipse/paho.mqtt.python#828, we can remove the type ignores.
In the future, we could also migrate to the new callback API.

[empicano]

I don't have any comments, LGTM, good job 😎

[frederikaalund]

Well done with this migration! 👍 I looked through the code and it looks good to me too. :) I like that you found some typing fixes for paho-mqtt as well.

[JonathanPlasse]

Thank you.

[JonathanPlasse]

Should we cut a release for this?

[frederikaalund]

Should we cut a release for this?

Yeah, that is a good idea. 👍 We have to mention that we no longer support paho-mqtt 1.x in that one as well.

I'm currently reviewing the #287, can you do a release? :)

[JonathanPlasse]

I can do this at noon.