Downgrade pinned mkdocs-material

[Kludex]

No description provided.

[cloudflare-workers-and-pages]

Deploying logfire-docs with    Cloudflare Pages

Latest commit:	76c5021
Status:	✅  Deploy successful!
Preview URL:	https://e945d687.logfire-docs.pages.dev
Branch Preview URL:	https://bump-mkdocs-material.logfire-docs.pages.dev

View logs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (cfc49f8) to head (76c5021).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #776   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          138       138           
  Lines        11044     11044           
  Branches      1565      1565           
=========================================
  Hits         11044     11044           

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[Kludex]

I don't understand why I need to do this to make it install locally, considering that the cloudflare worker is using our insiders as well.