release: change crate version to v0.3.0 and update CHANGELOG.md (#381) #214

Job	Run time
build-rust-ubuntu	2m 21s
build-rust-windows	6m 42s
build-guest-binaries / build-guest-binaries (windows-2022-debug)	10m 31s
build-guest-binaries / build-guest-binaries (windows-2022-release)	8m 58s
benchmarks / benchmark (hyperv, amd, release)	8m 56s
benchmarks / benchmark (hyperv, intel, release)	8m 44s
benchmarks / benchmark (mshv, amd, release)	5m 0s
benchmarks / benchmark (mshv, intel, release)	4m 59s
benchmarks / benchmark (mshv3, amd, release)	5m 10s
benchmarks / benchmark (mshv3, intel, release)	5m 33s
benchmarks / benchmark (kvm, amd, release)	5m 10s
benchmarks / benchmark (kvm, intel, release)	5m 2s
publish	2m 33s
cargo-publish / publish-hyperlight-packages	0s
	1h 19m 39s

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