Update scalafmt-core to 3.0.3

[scala-steward]

Updates org.scalameta:scalafmt-core from 2.7.5 to 3.0.3.
GitHub Release Notes - Version Diff

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

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Ignore future updates

Add this to your .scala-steward.conf file to ignore future updates of this dependency:

updates.ignore = [ { groupId = "org.scalameta", artifactId = "scalafmt-core" } ]

labels: library-update, semver-major

[codecov-commenter]

Codecov Report

Merging #47 (0148872) into main (01e4773) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #47   +/-   ##
=======================================
  Coverage   94.59%   94.59%           
=======================================
  Files           4        4           
  Lines         111      111           
  Branches        4        4           
=======================================
  Hits          105      105           
  Misses          6        6           

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