chore(deps-dev): bump magic-string from 0.30.21 to 1.0.0

[nev21]

Update magic-string to 1.0.0, fix usage as 1.0.0 now only ships as an ESM.

[Copilot]

Pull request overview

This PR updates the dev dependency magic-string to ^1.0.0 and adjusts the Rollup config import to accommodate the package’s ESM distribution.

Changes:

• Bump magic-string from ^0.30.21 to ^1.0.0 in package.json.
• Update lib/rollup.config.js to import magic-string in an ESM-compatible way.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
package.json	Updates the magic-string devDependency to ^1.0.0.
lib/rollup.config.js	Updates how MagicString is imported for use in the Rollup config plugin.

[nevware21-bot]

Approved by nevware21-bot

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.17%. Comparing base (e92818d) to head (e1edb45).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #588   +/-   ##
=======================================
  Coverage   99.17%   99.17%           
=======================================
  Files         179      179           
  Lines        5479     5479           
  Branches     1210     1242   +32     
=======================================
  Hits         5434     5434           
  Misses         45       45           

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[nevware21-bot]

Approved by nevware21-bot