chore(cubesql): Bump openapi-generator

[mcheshkov]

Check List

• Tests have been run in packages where changes made if available
• Linter has been run for changed code
• Tests for the changes have been added if not covered yet
• Docs have been added / updated if required

Issue Reference this PR resolves

[For example #12]

Description of Changes Made (if issue reference is not provided)

[Description goes here]

[codecov]

Codecov Report

Attention: Patch coverage is 92.80000% with 9 lines in your changes missing coverage. Please review.

Project coverage is 83.60%. Comparing base (671bcdb) to head (7b9cf03).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
rust/cubesql/cubeclient/src/models/v1_cube_meta.rs	0.00%	4 Missing ⚠️
...cubesql/cubeclient/src/models/v1_cube_meta_type.rs	0.00%	3 Missing ⚠️
...nt/src/models/v1_load_request_query_filter_item.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9223      +/-   ##
==========================================
+ Coverage   83.57%   83.60%   +0.03%     
==========================================
  Files         227      227              
  Lines       81627    81804     +177     
==========================================
+ Hits        68216    68393     +177     
  Misses      13411    13411              

Flag	Coverage Δ
cubesql	83.60% <92.80%> (+0.03%)	⬆️

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