mark `Promise.{ allKeyed, allSettledKeyed }` as shipped in FF148 #1411

Job	Run time
list-branches	11s
Build for data-view-clamped-stage-2	11s
Build for proposals-types	5s
Build for master	9s
Build for web	5s
Build for v3	11s
Build for json-source-stable	8s
Build for v4	31s
Build for v4-types	36s
combine-pages-and-deploy	14s
	2m 21s

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