Add missing consistent client timeout in DockerContainer.commit()

[achimnol]

This is a follow-up to #990 and #991, replacing #975.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.05%. Comparing base (b2c0cd7) to head (cea71d1).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #992      +/-   ##
==========================================
+ Coverage   73.03%   73.05%   +0.01%     
==========================================
  Files          25       25              
  Lines        1836     1837       +1     
  Branches      250      250              
==========================================
+ Hits         1341     1342       +1     
  Misses        410      410              
  Partials       85       85              

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