chore: Prepare v0.5.3 release (#7) #13

Job	Run time
clippy	56s
build_and_test (ubuntu-latest, stable)	1m 32s
rustfmt	14s
build_and_test (ubuntu-latest, beta)	1m 28s
build_and_test (ubuntu-latest, nightly)	1m 28s
build_and_test (macOS-latest, stable)	1m 33s
build_and_test (macOS-latest, beta)	1m 59s
build_and_test (macOS-latest, nightly)	2m 32s
build_and_test (windows-latest, stable)	2m 52s
build_and_test (windows-latest, beta)	2m 54s
build_and_test (windows-latest, nightly)	2m 53s
	20m 21s

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