Adapt ServiceWorker API to new events structure

[queengooborg]

This PR adapts the ServiceWorker API to conform to the new events structure.

BCD PR: mdn/browser-compat-data#15199

[github-actions]

Preview URLs

• https://pr13923.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/ServiceWorker/error_event
• https://pr13923.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/ServiceWorker/statechange_event
• https://pr13923.content.dev.mdn.mozit.cloud/en-US/docs/Web/API/ServiceWorker

Flaws

URL: /en-US/docs/Web/API/ServiceWorker
Title: ServiceWorker
on GitHub
Flaw count: 2

• bad_bcd_links:
  • no explanation!
  • no explanation!

---

URL: /en-US/docs/Web/API/ServiceWorker/statechange_event
Title: ServiceWorker: statechange event
on GitHub
Flaw count: 1

• bad_bcd_queries:
  • No BCD data for query: api.ServiceWorker.statechange_event

---

URL: /en-US/docs/Web/API/ServiceWorker/error_event
Title: ServiceWorker: error event
on GitHub
Flaw count: 1

• bad_bcd_queries:
  • No BCD data for query: api.ServiceWorker.error_event

External URLs

URL: /en-US/docs/Web/API/ServiceWorker
Title: ServiceWorker
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/ServiceWorker/statechange_event
Title: ServiceWorker: statechange event
on GitHub

No new external URLs

---

URL: /en-US/docs/Web/API/ServiceWorker/error_event
Title: ServiceWorker: error event
on GitHub

No new external URLs