v0.4.0

What's Changed

• Improve PHP quality by @d-claassen in #50
• Bump @wordpress/scripts from 30.11.0 to 30.12.0 by @dependabot in #54
• PHP improvements by @d-claassen in #55
• GHA: Clean install of NPM deps by @d-claassen in #56
• Add E2E tests to CI by @d-claassen in #57
• Bump yoast/yoastcs from 3.1.0 to 3.2.0 by @dependabot in #58
• Bump @wordpress/scripts from 30.12.0 to 30.14.0 by @dependabot in #61
• Bump @wordpress/env from 10.19.0 to 10.21.0 by @dependabot in #62
• Integrate events in "At a glance" widget by @d-claassen in #66

Full Changelog: v0.3.0...v0.4.0