Avoid using `xcm::v4` and use latest instead for AssetHub benchmarks … #7

Job	Run time
check-dependency-rules	9s
set-image	9s
check-markdown	17s
check-workspace	17s
test-rust-features	1m 57s
check-umbrella	1s
check-rust-feature-propagation	2m 0s
fmt	1m 15s
check-toml-format	1m 10s
	7m 15s

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