Syncing strategy refactoring (part 3) #13019

Job	Run time
preflight / preflight	45s
preflight / ci-versions	59s
test-linux-stable-int	10m 55s
test-linux-stable (1/3, parity-large)	31m 19s
test-linux-stable (1/3, parity-oldlinux)	30m 56s
test-linux-stable (2/3, parity-large)	28m 3s
test-linux-stable (2/3, parity-oldlinux)	28m 18s
test-linux-stable (3/3, parity-large)	28m 9s
test-linux-stable (3/3, parity-oldlinux)	28m 7s
test-linux-stable-runtime-benchmarks	29m 37s
test-linux-stable-no-try-runtime (1/2)	31m 7s
test-linux-stable-no-try-runtime (2/2)	29m 11s
All tests passed	1s
	4h 37m 27s

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