add zombienet config for rococo+integritee+assethub #444

Job	Run time
Build Runtimes (shell)	26m 18s
Build Runtimes (integritee)	27m 11s
Cancel Previous Runs	3s
Primary build release for on (ubuntu-22.04)	29m 10s
Extra features build release for on (ubuntu-22.04)	30m 13s
cargo-toml-fmt	9s
Set up Config	1s
license-check	1m 30s
Rust check fmt --all -- --check (x86_64-unknown-linux-gnu)	44s
Rust check check --features runtime-benchmarks (x86_64-unknown-linux-gnu)	17m 59s
create_artifacts (integritee, rococo)	6s
create_artifacts (integritee, westend)	6s
create_artifacts (integritee, kusama)	7s
create_artifacts (integritee, polkadot)	6s
create_artifacts (integritee, moonbase)	11s
create_artifacts (shell, kusama-lease2)	6s
Draft Release	0s
Publish Runtimes	0s
	2h 14m 0s

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