fix: Fix consume blocked due to too many consumers

[bigsheeper]

This PR limits the maximum number of consumers per pchannel to 10 for each QueryNode and DataNode.

issue: #37630

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.97%. Comparing base (01fa2f8) to head (b60dd7f).
Report is 2 commits behind head on master.

❗ Current head b60dd7f differs from pull request most recent head 18ed157

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Flag	BASE (01fa2f8)	HEAD (b60dd7f)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #38455       +/-   ##
===========================================
- Coverage   80.92%   68.97%   -11.95%     
===========================================
  Files        1377      292     -1085     
  Lines      193866    26135   -167731     
===========================================
- Hits       156887    18027   -138860     
+ Misses      31442     8108    -23334     
+ Partials     5537        0     -5537     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	68.97% <ø> (ø)
Go	∅ <ø> (∅)

see 1085 files with indirect coverage changes

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