Forward logging directives to Polkadot workers #14460

Job	Run time
preflight / preflight	42s
preflight / ci-versions	1m 26s
test-linux-stable-int	9m 22s
test-linux-stable (1/3, parity-large)	34m 58s
test-linux-stable (1/3, parity-oldlinux)	36m 12s
test-linux-stable-no-try-runtime (1/2)	38m 24s
test-linux-stable (2/3, parity-large)	24m 33s
test-linux-stable-no-try-runtime (2/2)	29m 32s
test-linux-stable (2/3, parity-oldlinux)	23m 26s
test-linux-stable-runtime-benchmarks	29m 32s
test-linux-stable (3/3, parity-large)	23m 55s
test-linux-stable (3/3, parity-oldlinux)	19m 3s
All tests passed	1s
	4h 31m 6s

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