feat(tesseract): Subqueries support

[waralexrom]

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

All modified and coverable lines are covered by tests ✅

Project coverage is 83.33%. Comparing base (64c5728) to head (5883603).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9108      +/-   ##
==========================================
- Coverage   83.34%   83.33%   -0.01%     
==========================================
  Files         227      227              
  Lines       81062    81062              
==========================================
- Hits        67561    67556       -5     
- Misses      13501    13506       +5     

Flag	Coverage Δ
cubesql	83.33% <ø> (-0.01%)	⬇️

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