feat: introduce account linking for new users (#7390) #5510

Job	Run time
graphql-schema / publish	1m 18s
website / deployment	5m 53s
code-style / eslint-and-prettier	3m 26s
typescript / typecheck	3m 29s
package / publish	3m 5s
storybook / deployment	1m 58s
build / dockerize (linux/arm64)	7m 1s
build / dockerize (linux/amd64)	7m 54s
publish_docker_cli	0s
build / publish multiarch manifest	35s
trigger staging deployment	3s
	34m 42s

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