Increase the timeout for confirmation to 10s

[Gsantomaggio]

• Increasing the publish confirmation from 3s to 10s.
  3s was too aggressive.

• Increase some timeout to handle the not-confirmed messages

cc @michaelklishin @Zerpet

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (a515ea9) 92.66% compared to head (1935269) 92.65%.
Report is 1 commits behind head on main.

❗ Current head 1935269 differs from pull request most recent head caf27b4. Consider uploading reports for the commit caf27b4 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #325      +/-   ##
==========================================
- Coverage   92.66%   92.65%   -0.01%     
==========================================
  Files         113      113              
  Lines        9961     9964       +3     
  Branches      825      825              
==========================================
+ Hits         9230     9232       +2     
  Misses        555      555              
- Partials      176      177       +1     

Files	Coverage Δ
RabbitMQ.Stream.Client/Reliable/Producer.cs	83.43% <100.00%> (-0.60%)	⬇️
Tests/ClientTests.cs	97.43% <100.00%> (+<0.01%)	⬆️
Tests/MultiThreadTests.cs	100.00% <100.00%> (ø)
Tests/ReliableTests.cs	99.24% <100.00%> (+<0.01%)	⬆️
Tests/SystemTests.cs	100.00% <100.00%> (ø)
Tests/SuperStreamConsumerTests.cs	94.24% <0.00%> (ø)

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