Disabled couchbase tests due to broken package breaking main

[Nusnus]

The couchbase package stopped working and causes the following error in Github Actions:

terminate called after throwing an instance of 'std::bad_cast'
    what():  std::bad_cast
  Fatal Python error: Aborted

Possible related issue from Stack Overflow:
https://stackoverflow.com/questions/76706020/stdbad-cast-error-while-using-python-sdk-for-couchbase/76713522

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b838b05) 87.46% compared to head (bd82df0) 87.32%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8602      +/-   ##
==========================================
- Coverage   87.46%   87.32%   -0.15%     
==========================================
  Files         148      148              
  Lines       18512    18512              
  Branches     3163     3163              
==========================================
- Hits        16192    16166      -26     
- Misses       2032     2060      +28     
+ Partials      288      286       -2     

Flag	Coverage Δ
unittests	87.29% <ø> (-0.15%)	⬇️

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see 1 file with indirect coverage changes

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