fix: Add 'twoslash' to Dependabot Shiki group

[avivkeller]

Ref: #8479 (review)

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1 Skipped Deployment

Project	Deployment	Review	Updated (UTC)
nodejs-org	Ignored		Dec 30, 2025 2:35pm

[github-actions]

👋 Codeowner Review Request

The following codeowners have been identified for the changed files:

Team reviewers: @nodejs/web-infra

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[Copilot]

Pull request overview

This PR attempts to add the 'twoslash' pattern to the Dependabot mdx group configuration to ensure that twoslash packages are grouped with other Shiki-related dependencies during automated updates. This change was prompted by PR #8479, which updated @shikijs/twoslash alongside other @shikijs packages.

Key Changes:

• Added 'twoslash' pattern to the mdx dependency group in Dependabot configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.73%. Comparing base (587fe94) to head (886fc43).
⚠️ Report is 23 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8491      +/-   ##
==========================================
+ Coverage   73.69%   73.73%   +0.04%     
==========================================
  Files         108      108              
  Lines        9210     9210              
  Branches      313      312       -1     
==========================================
+ Hits         6787     6791       +4     
+ Misses       2421     2417       -4     
  Partials        2        2              

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