Add tox tests for Pandas 2.

[caneff]

Add tox tests for Pandas 2 (currently won't be passing until #27221 is fully fixed).

[codecov]

Codecov Report

Merging #28476 (e1cc599) into master (bec94d9) will decrease coverage by 0.02%.
Report is 77 commits behind head on master.
The diff coverage is n/a.

❗ Current head e1cc599 differs from pull request most recent head 816d276. Consider uploading reports for the commit 816d276 to get more accurate results

@@            Coverage Diff             @@
##           master   #28476      +/-   ##
==========================================
- Coverage   72.33%   72.31%   -0.02%     
==========================================
  Files         682      683       +1     
  Lines      100536   100696     +160     
==========================================
+ Hits        72719    72822     +103     
- Misses      26239    26296      +57     
  Partials     1578     1578              

Flag	Coverage Δ
python	82.82% <ø> (-0.05%)	⬇️

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

... and 16 files with indirect coverage changes

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R: @riteshghorse for label python.

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[caneff]

R: @tvalentyn

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