Upgrade H3

[gonzaloriestra]

WHY are these changes introduced?

Related to https://github.com/shop/issues-develop/issues/22049
Fixes https://github.com/Shopify/cli/security/dependabot/202

WHAT is this pull request doing?

How to test your changes?

Post-release steps

Measuring impact

How do we know this change was effective? Please choose one:

• n/a - this doesn't need measurement, e.g. a linting rule or a bug-fix
• Existing analytics will cater for this addition
• PR includes analytics changes to measure impact

Checklist

• I've considered possible cross-platform impacts (Mac, Linux, Windows)
• I've considered possible documentation changes

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	78.83%	14476/18364
🟡	Branches	73.14%	7200/9844
🟡	Functions	79.05%	3694/4673
🟡	Lines	79.17%	13675/17273

Test suite run success

3791 tests passing in 1448 suites.

Report generated by 🧪jest coverage report action from 998bb95

[gonzaloriestra]

/snapit

[github-actions]

🫰✨ Thanks @gonzaloriestra! Your snapshot has been published to npm.

Test the snapshot by installing your package globally:

npm i -g --@shopify:registry=https://registry.npmjs.org @shopify/cli@0.0.0-snapshot-20260309115726

Caution

After installing, validate the version by running shopify version in your terminal.
If the versions don't match, you might have multiple global instances installed.
Use which shopify to find out which one you are running and uninstall it.

[gonzaloriestra]

• Remove express #6955
• Upgrade H3 #6954 👈 (View in Graphite)
• main

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