Tests

Update CHANGELOG for 0.8.5 (#1221) #1157

Job	Run time
test-avr	1m 58s
test-cross (ubuntu-latest, mips-unknown-linux-gnu, stable)	7s
Check doc	1m 11s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	30s
test (macos-latest, x86_64-apple-darwin, stable)	1m 9s
test-miri	4m 31s
test (windows-latest, x86_64-pc-windows-gnu, stable)	3m 23s
test-ios	20s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 19s
test-no-std	15s
test (ubuntu-latest, x86_64-unknown-linux-gnu, 1.36.0)	1m 40s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	57s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	19s
	17m 39s

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