[google sheets] mark batch_size and batch_bytes are non-required field

[varadarajan-tw]

Marks batch_size and batch_bytes as non-required fields. There are default values for these two fields even if the value is remain unset. So, it doesn't make sense to have these two are required fields.

Testing

• [ ] Added unit tests for new functionality
• [ ] Tested end-to-end using the local server
• [ ] [Segmenters] Tested in the staging environment

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 83.18%. Comparing base (571be20) to head (93fb6a6). Report is 407 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2405      +/-   ##
==========================================
- Coverage   83.38%   83.18%   -0.21%     
==========================================
  Files         964      932      -32     
  Lines       18000    16238    -1762     
  Branches     3554     3052     -502     
==========================================
- Hits        15010    13507    -1503     
+ Misses       2807     2540     -267     
- Partials      183      191       +8     

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[joe-ayoub-segment]

Hi @varadarajan-tw just doing some tidy up - can we close this PR?