prepare release 0.28.1 #1530

Job	Run time
test (ubuntu-latest)	15m 51s
Build x86_64-unknown-linux-musl	10m 2s
test (macos-latest)	11m 56s
Build aarch64-unknown-linux-musl	10m 17s
test (windows-latest)	35m 4s
Build powerpc64le-unknown-linux-gnu	10m 22s
Build x86_64-apple-darwin	12m 49s
Build aarch64-apple-darwin	8m 14s
Build x86_64-pc-windows-gnu	20m 6s
Build x86_64-pc-windows-msvc	18m 5s
Post-process	5s
	2h 32m 51s

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