Update dependabot config

[maxammann]

This PR was automatically generated from KittyCAD/ciso. Let @maxammann know if you want changes applied to the PR. Please merge this soon.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 45.72%. Comparing base (a91bdc3) to head (4e4f447).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #879   +/-   ##
=======================================
  Coverage   45.72%   45.72%           
=======================================
  Files          34       34           
  Lines        9843     9843           
=======================================
  Hits         4501     4501           
  Misses       5342     5342           

Flag	Coverage Δ
unittests	45.72% <ø> (ø)

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