Update spec URL (#3)

Author: lucacasonato

index.bs

@@ -3,7 +3,7 @@ Title: Minimum Common Web Platform API
 Shortname: common-web-platform-api
 Status: w3c/CG-DRAFT
 Level: none
-URL: https://proposal-common-min-api.deno.dev/
+URL: https://common-min-api.proposal.wintercg.org/
 Repository: https://github.com/wintercg/proposal-common-minimum-api
 Editor: James M Snell, Cloudflare https://cloudflare.com/, [email protected]
 Abstract: Minimum Common Web Platform API for Non-Browser EcmaScript-based runtimes.