[DOP-9653] Update Excel package version to 0.20.1

[dolfinus]

Change Summary

Excel package now has support of Spark 3.5.0, upgraded to latest version.

For now it is blocked by nightscape/spark-excel#789.

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3810aaa) 94.17% compared to head (984292b) 94.18%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #161      +/-   ##
===========================================
+ Coverage    94.17%   94.18%   +0.01%     
===========================================
  Files          206      206              
  Lines         7839     7839              
  Branches      1470     1470              
===========================================
+ Hits          7382     7383       +1     
+ Misses         330      329       -1     
  Partials       127      127              

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