Implement fork (to test build failing) #4257

Job	Run time
cli-tests	15m 58s
build-and-test	24m 29s
docker-targets-build (${{ matrix.platform.platform }})	0s
integration-tests	14m 19s
Publish binaries of ${{ matrix.project }}	0s
sharding-tests	12m 4s
wasm-rpc-stub	1m 53s
worker-tests-group1	7m 12s
docker-publish	0s
worker-tests-group2	3m 23s
worker-tests-group3	4m 56s
worker-tests-group4	6m 29s
worker-tests-group5	8m 11s
worker-tests-group6	11m 9s
worker-tests-group7	6m 17s
worker-tests-group8	9m 1s
publish	0s
publish-slack-notification	0s
	2h 5m 21s

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