Merge remote-tracking branch 'upstream/master' into patch-stack #36

Job	Run time
linux beta (default features)	7m 11s
linux stable (default features)	7m 13s
linux nightly (all features)	6m 49s
Check sync-readme	42s
linux stable (with-bytes)	6m 17s
mega-linter	2m 14s
Miri test	43s
rustfmt check	7m 57s
CI self-check	11s
windows stable (default features)	5m 14s
	44m 31s

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