REFACTOR-#5024: Make _row_lengths and _column_widths public

[anmyachev]

Signed-off-by: Myachev [email protected]

What do these changes do?

• commit message follows format outlined here
• passes flake8 modin/ asv_bench/benchmarks scripts/doc_checker.py
• passes black --check modin/ asv_bench/benchmarks scripts/doc_checker.py
• signed commit with git commit -s
• Resolves REFACTOR: make _row_lengths and _column_widths public #5024
• tests added and passing
• module layout described at docs/development/architecture.rst is up-to-date
• added (Issue Number: PR title (PR Number)) and github username to release notes for next major release

[codecov]

Codecov Report

Merging #5025 (98cf8fe) into master (90c57ff) will increase coverage by 4.69%.
The diff coverage is 94.11%.

❗ Current head 98cf8fe differs from pull request most recent head 4bac95e. Consider uploading reports for the commit 4bac95e to get more accurate results

@@            Coverage Diff             @@
##           master    #5025      +/-   ##
==========================================
+ Coverage   84.98%   89.67%   +4.69%     
==========================================
  Files         253      254       +1     
  Lines       19113    19396     +283     
==========================================
+ Hits        16243    17394    +1151     
+ Misses       2870     2002     -868     

Impacted Files	Coverage Δ
...odin/core/storage_formats/pandas/query_compiler.py	96.40% <ø> (+0.55%)	⬆️
modin/experimental/xgboost/xgboost.py	87.61% <ø> (ø)
...me/pandas/interchange/dataframe_protocol/column.py	93.33% <50.00%> (ø)
modin/core/dataframe/pandas/dataframe/dataframe.py	95.23% <100.00%> (ø)
...pandas/interchange/dataframe_protocol/dataframe.py	96.72% <100.00%> (ø)
modin/logging/config.py	94.59% <0.00%> (-1.30%)	⬇️
modin/experimental/batch/test/test_pipeline.py	93.84% <0.00%> (ø)
modin/pandas/series.py	94.27% <0.00%> (+0.23%)	⬆️
modin/pandas/groupby.py	93.77% <0.00%> (+0.23%)	⬆️
modin/pandas/series_utils.py	98.89% <0.00%> (+0.55%)	⬆️
... and 39 more

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[mvashishtha]

LGTM, thanks @anmyachev