Update parity-publish to 0.10.3 #16390

Job	Run time
preflight / preflight	45s
preflight / ci-versions	1m 8s
test-linux-stable-int	7m 37s
test-linux-stable (1/3, parity-large)	33m 45s
test-linux-stable-runtime-benchmarks	24m 45s
test-linux-stable (1/3, parity-oldlinux)	30m 11s
test-linux-stable (2/3, parity-large)	20m 11s
test-linux-stable-no-try-runtime (1/2)	32m 0s
test-linux-stable (2/3, parity-oldlinux)	17m 52s
test-linux-stable-no-try-runtime (2/2)	20m 34s
test-linux-stable (3/3, parity-large)	19m 42s
test-linux-stable (3/3, parity-oldlinux)	16m 41s
All tests passed	1s
	3h 45m 12s

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