fix docs build

[mattseddon]

currently broken on main - https://github.com/iterative/datachain/actions/runs/13066831041

[cloudflare-workers-and-pages]

Deploying datachain-documentation with    Cloudflare Pages

Latest commit:	7c0248a
Status:	✅  Deploy successful!
Preview URL:	https://ef0bffd9.datachain-documentation.pages.dev
Branch Preview URL:	https://fix-docs-build.datachain-documentation.pages.dev

View logs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.67%. Comparing base (9084dae) to head (7c0248a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #879      +/-   ##
==========================================
- Coverage   87.68%   87.67%   -0.02%     
==========================================
  Files         128      128              
  Lines       11452    11452              
  Branches     1544     1544              
==========================================
- Hits        10042    10040       -2     
- Misses       1023     1025       +2     
  Partials      387      387              

Flag	Coverage Δ
datachain	87.59% <ø> (-0.02%)	⬇️

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