litep2p: Update litep2p to v0.8.0 #4966

Job	Run time
preflight / preflight	46s
preflight / ci-versions	1m 0s
test-full-crypto-feature	2m 35s
cargo-check-benches (master)	21m 0s
cargo-check-benches (current)	23m 11s
cargo-check-all-crate-macos	11m 31s
cargo-check-each-crate (1)	18m 58s
test-frame-ui	46m 27s
cargo-check-each-crate (2)	19m 33s
cargo-check-each-crate (3)	9m 31s
test-node-metrics	9m 41s
cargo-check-each-crate (4)	16m 57s
cargo-check-each-crate (5)	24m 49s
cargo-check-each-crate (6)	14m 59s
cargo-check-each-crate (7)	30m 51s
test-frame-examples-compile-to-wasm	3m 20s
check-tracing	2m 26s
node-bench-regression-guard	17s
test-deterministic-wasm	6m 29s
check-metadata-hash	6m 11s
All test misc tests passed	1s
	4h 30m 33s

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