Prepare 1.28.0 release #1745

Job	Run time
build-linux-master	0s
build-all-features (ubuntu-latest, x86_64-unknown-linux-gnu)	7m 17s
build-freebsd-stable	0s
build-freebsd-master	0s
build-all-features (windows-latest, x86_64-pc-windows-msvc)	19m 44s
build-linux-pr (dev, x86_64-unknown-linux-gnu)	9m 2s
build-linux-stable	0s
build-macos-aarch64 (dev, aarch64-apple-darwin)	12m 37s
build-linux-pr (dev, armv7-unknown-linux-gnueabihf)	3m 58s
build-macos-x86_64 (dev, x86_64-apple-darwin)	11m 43s
build-macos-aarch64 (release, aarch64-apple-darwin)	4m 55s
build-linux-pr (dev, aarch64-linux-android)	3m 15s
build-macos-x86_64 (release, x86_64-apple-darwin)	7m 26s
build-linux-pr (release, x86_64-unknown-linux-gnu)	5m 43s
build-linux-pr (release, armv7-unknown-linux-gnueabihf)	5m 0s
build-windows-master	0s
build-linux-pr (release, aarch64-linux-android)	4m 59s
build-windows-pr (dev, x86_64-pc-windows-msvc)	19m 43s
build-windows-stable	0s
build-windows-pr (dev, aarch64-pc-windows-msvc)	13m 53s
build-windows-pr (dev, x86_64-pc-windows-gnu)	9m 37s
check	2m 55s
doc	5s
build-windows-pr (release, x86_64-pc-windows-msvc)	7m 31s
build-windows-pr (release, aarch64-pc-windows-msvc)	10m 2s
build-windows-pr (release, x86_64-pc-windows-gnu)	10m 38s
conclusion	1s
	2h 50m 4s

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