Fix RESP3 auth health checks

[9128305]

Skip health checks during RESP3 authentication,
matching the fix from redis/redis-py#3477. Fixes #188.

Pull Request check-list

• Do tests and lints pass with this change?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?

Description of change

[bogdanp05]

lgtm

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.79%. Comparing base (f3a73ec) to head (d5a42d5).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #339   +/-   ##
=======================================
  Coverage   76.78%   76.79%           
=======================================
  Files         129      129           
  Lines       34288    34303   +15     
=======================================
+ Hits        26329    26343   +14     
- Misses       7959     7960    +1     

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