`statement-distribution`: RFC103 implementation #7648

Job	Run time
preflight / preflight	37s
preflight / ci-versions	59s
build (polkadot-availability-recovery, availability-recovery-regression-bench)	8m 22s
build (polkadot-availability-distribution, availability-distribution-regression-bench)	6m 13s
build (polkadot-node-core-approval-voting, approval-voting-regression-bench)	23m 34s
build (polkadot-statement-distribution, statement-distribution-regression-bench)	1h 19m 57s
publish-benchmarks	0s
	1h 59m 42s

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