chore: release v0.6.0-beta.4 #199

Job	Run time
clippy	39s
lint	24s
check_and_test (ubuntu-22.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	58s
check_and_test (ubuntu-22.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	1m 2s
check_and_test (ubuntu-22.04, amd64, x86_64-unknown-linux-gnu, x86_64, usr/lib/x86_64-linux-gnu, ...	1m 12s
check_and_test (ubuntu-22.04, arm64, aarch64-unknown-linux-gnu, aarch64, usr/lib/aarch64-linux-gn...	1m 30s
check_and_test (ubuntu-22.04, arm64, aarch64-unknown-linux-gnu, aarch64, usr/lib/aarch64-linux-gn...	1m 33s
check_and_test (ubuntu-22.04, riscv64, riscv64gc-unknown-linux-gnu, riscv64, usr/lib/riscv64-linu...	1m 32s
	8m 50s

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