feat: add cli option --ci

[italoteix]

Issue: #159

What I did

Adds an option --ci that passes it to Jest to run it in CI mode so that the test fails if new snapshots are introduced that have not been committed yet.

How To Test

# Should run Jest with CI option
yarn test-storybook --ci

Version

Published prerelease version: v0.9.0-next.0

Changelog

🚀 Enhancement

• feat: add cli option --ci #204 (@italoteix)
• Add isTestRunner utility #198 (@yannbf @IanVS)

🐛 Bug Fix

• Upgrade preset-env to latest #202 (@shilman)
• Fix nightly check for failures #197 (@yannbf)
• Improve error logging and ensure non-zero exit #201 (@IanVS)
• Fix StorybookTestRunnerError – length on undefined #194 (@ericclemmons)

📝 Documentation

• Docs: update coverage section now that the addon supports Vite #205 (@yannbf)

Authors: 5

• Eric Clemmons (@ericclemmons)
• Ian VanSchooten (@IanVS)
• Ítalo Teixeira (@italoteix)
• Michael Shilman (@shilman)
• Yann Braga (@yannbf)

[yannbf]

This is great! Thank you so much for your contribution @italoteix <3

[github-actions]

🚀 PR was released in v0.9.0 🚀