Implement waitFor in .devcontainer.json #1483

Job	Run time
test-e2e-windows (build)	1m 5s
test-e2e (build)	10m 3s
test-e2e (ide)	9m 56s
test-e2e-windows (ide)	1s
test-e2e-windows (ssh)	1s
test-e2e (integration)	9m 9s
test-e2e-windows (up-docker)	1s
test-e2e (machine)	8m 33s
test-e2e-windows (up-docker-build)	1s
test-e2e (machineprovider)	9m 47s
test-e2e-windows (up-docker-compose)	1s
test-e2e (provider)	8m 25s
test-e2e (proxyprovider)	9m 28s
test-e2e (ssh)	8m 42s
test-e2e (up)	12m 16s
test-e2e (up-docker)	10m 25s
test-e2e (up-podman)	8m 59s
test-e2e (up-docker-compose)	10m 43s
test-e2e (up-docker-build)	9m 35s
test-e2e (up-docker-compose-build)	9m 46s
test-e2e (context)	8m 29s
	2h 25m 26s

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