Support deprecated and x-deprecated-sunset in OpenAPI spec #2589

Job	Run time
Deploy v2 to Cloudflare Worker	1m 50s
Deploy to Cloudflare Pages	3m 49s
Build (Open Source)	2m 37s
Deploy v2 to Vercel	1m 33s
Lint	1m 3s
Format	59s
Test	1m 9s
Typecheck	1m 17s
Visual Testing	4m 35s
PageSpeed Testing	1m 52s
Comment Deployments	5s
	20m 49s

Provide feedback