Bump pandas version to 0.24.2

[devin-petersohn]

What do these changes do?

Update the pandas version to 0.24.2

Related issue number

N/A

• passes flake8 modin
• passes black --check modin
• tests added and passing

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[codecov]

Codecov Report

Merging #509 into master will decrease coverage by 0.01%.
The diff coverage is 80%.

@@            Coverage Diff             @@
##           master     #509      +/-   ##
==========================================
- Coverage   90.24%   90.22%   -0.02%     
==========================================
  Files          34       34              
  Lines        4849     4851       +2     
==========================================
+ Hits         4376     4377       +1     
- Misses        473      474       +1

Impacted Files	Coverage Δ
modin/pandas/__init__.py	84.78% <100%> (ø)	⬆️
modin/backends/pandas/query_compiler.py	90.44% <75%> (-0.07%)	⬇️

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[williamma12]

This looks good to me! The code coverage issue can probably be ignored once we get the merge conflict resolved