docs: update GH actions badge #80

Job	Run time
Check (x86_64-unknown-illumos)	9s
Lint	13s
Test (x86_64-unknown-freebsd)	3m 59s
Test (i686-unknown-linux-gnu)	17s
Test (x86_64-unknown-openbsd)	4m 35s
Test (i686-unknown-linux-musl)	18s
Test (x86_64-unknown-linux-gnu)	14s
Test (x86_64-unknown-linux-musl)	18s
Test (armv7-unknown-linux-gnueabihf)	1m 13s
Test (aarch64-linux-android)	4m 47s
Test (mips-unknown-linux-gnu)	4m 34s
Test (i686-pc-windows-gnu)	55s
Test (i686-pc-windows-msvc)	1m 12s
Test (x86_64-pc-windows-gnu)	1m 23s
Test (x86_64-pc-windows-msvc)	1m 24s
Test (x86_64-apple-darwin)	21s
	25m 52s

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