docs: update mlir-introduction to marimo 0.17.8

[tobiasgrosser]

This is purely a reformatting which will make future changes easier to see.

[codecov]

Codecov Report

❌ Patch coverage is 4.00000% with 24 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.15%. Comparing base (a4ee22a) to head (ae58aef).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
docs/marimo/mlir_introduction.py	4.00%	24 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5598   +/-   ##
=======================================
  Coverage   86.15%   86.15%           
=======================================
  Files         392      393    +1     
  Lines       56271    56302   +31     
  Branches     6485     6492    +7     
=======================================
+ Hits        48478    48509   +31     
  Misses       6261     6261           
  Partials     1532     1532           

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[superlopuh]

Can you please match the tag: of PRs to the label? That way the release notes script, which groups commits in a release by label will result in a more uniform style.