Pin orjson dependency.

[tvalentyn]

Remediation for: #28318.
If orjson doesn't come up with a fix, we can pin the last tested version.

[codecov]

Codecov Report

Merging #28322 (d5de321) into master (67e88d9) will increase coverage by 0.00%.
Report is 11 commits behind head on master.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #28322   +/-   ##
=======================================
  Coverage   72.34%   72.35%           
=======================================
  Files         680      680           
  Lines      100298   100323   +25     
=======================================
+ Hits        72562    72587   +25     
- Misses      26162    26163    +1     
+ Partials     1574     1573    -1     

Flag	Coverage Δ
python	82.92% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
sdks/python/setup.py	0.00% <ø> (ø)

... and 12 files with indirect coverage changes

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[dankuchler]

I believe you could pin the dependency to orjson 3.9.2 - as we are currently running orjson 3.9.2 without problems and the orjson github project issue mentioned others were reverting from 3.9.4 to 3.9.2 to avoid the problem.

[tvalentyn]

ok. done

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