Support stage parallelism for partitioned table scan

[Jackie-Jiang]

Added partition_parallelism as TableHintOptions so that we can increase parallelism per partition for intermediate stage after partitioned table scan stage

[codecov-commenter]

Codecov Report

❌ Patch coverage is 95.16129% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.02%. Comparing base (2b40362) to head (5672fe9).
⚠️ Report is 3364 commits behind head on master.

Files with missing lines	Patch %	Lines
.../org/apache/pinot/query/routing/WorkerManager.java	88.46%	0 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #11266      +/-   ##
============================================
+ Coverage     62.99%   63.02%   +0.03%     
- Complexity     1107     1108       +1     
============================================
  Files          2303     2303              
  Lines        124041   124078      +37     
  Branches      18895    18902       +7     
============================================
+ Hits          78137    78203      +66     
+ Misses        40352    40319      -33     
- Partials       5552     5556       +4     

Flag	Coverage Δ
integration	<0.01% <0.00%> (ø)
integration1	<0.01% <0.00%> (ø)
integration2	0.00% <0.00%> (ø)
java-11	62.97% <95.16%> (+<0.01%)	⬆️
java-17	62.86% <95.16%> (+0.01%)	⬆️
java-20	62.88% <95.16%> (+0.02%)	⬆️
temurin	63.02% <95.16%> (+0.03%)	⬆️
unittests	63.02% <95.16%> (+0.03%)	⬆️
unittests1	67.54% <95.16%> (+0.01%)	⬆️
unittests2	14.49% <0.00%> (+0.01%)	⬆️

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