Add support for Circuit UI's ESLint plugin

[connor-baer]

Purpose

This plugin helps help users follow best practices when using Circuit UI.

Approach and changes

• Added support for @sumup/eslint-plugin-circuit-ui.

Definition of done

• Development completed
• Reviewers assigned
• Unit and integration tests

[changeset-bot]

🦋 Changeset detected

Latest commit: e3b358d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@sumup/foundry	Minor

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eb43166) 63.96% compared to head (e3b358d) 63.95%.

Additional details and impacted files

@@            Coverage Diff             @@
##             next     #929      +/-   ##
==========================================
- Coverage   63.96%   63.95%   -0.02%     
==========================================
  Files          29       29              
  Lines        2259     2258       -1     
  Branches      122      117       -5     
==========================================
- Hits         1445     1444       -1     
  Misses        804      804              
  Partials       10       10              

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