fix: interpret the ssl_check_hostname as a boolean

[d9pouces]

!close #2210

ssl_check_hostname is left as-is ("false"), and is evaluated to True when a Redis connection is created.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.51%. Comparing base (def208a) to head (19c7cd0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2229   +/-   ##
=======================================
  Coverage   81.50%   81.51%           
=======================================
  Files          77       77           
  Lines        9524     9526    +2     
  Branches     1152     1153    +1     
=======================================
+ Hits         7763     7765    +2     
  Misses       1569     1569           
  Partials      192      192           

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[auvipy]

should we also consider adding an integration test for this?

[d9pouces]

What would you consider as an integration test?

[auvipy]

you can take idea from here https://github.com/celery/kombu/blob/main/t/integration/test_redis.py

[Nusnus]

Changed to draft until the CI fully passes

review addressed