deps: update sysinfo to latest 0.29.4 #4429

Job	Run time
build-wasm (ubuntu-20.04, v2, 1.11.0)	4m 17s
namada-e2e (ubuntu-20.04, nightly-2023-06-01, 1.7.0, e2e, 0, namada, v2, tendermint-unreleased-v0...	9m 57s
namada-e2e (ubuntu-20.04, nightly-2023-06-01, 1.7.0, e2e, 1, namada, v2, tendermint-unreleased-v0...	9m 55s
namada-e2e (ubuntu-20.04, nightly-2023-06-01, 1.7.0, e2e, 2, namada, v2, tendermint-unreleased-v0...	9m 56s
namada-release (ubuntu-20.04, 1.11.0, ABCI Release build, namada-e2e-release, v2)	9m 56s
namada (ubuntu-20.04, nightly-2023-06-01, 1.11.0, ABCI, namada, v2, tendermint-unreleased-v0.1.4-...	5m 36s
test-wasm (ubuntu-20.04, v2, nightly-2023-06-01, 1.11.0)	5m 23s
update-wasm	0s
	55m 0s

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