Disable integration tests on linux-musl-x64

[jamescrosswell]

Temporary workaround for #4788 just to unblock CI:

• Integration tests are flaky on linux-musl-x64 runners #4788

#skip-changelog

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.89%. Comparing base (d2fc761) to head (7644954).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4789      +/-   ##
==========================================
+ Coverage   73.87%   73.89%   +0.01%     
==========================================
  Files         485      485              
  Lines       17682    17682              
  Branches     3494     3494              
==========================================
+ Hits        13063    13066       +3     
+ Misses       3760     3757       -3     
  Partials      859      859              

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