Merge remote-tracking branch 'upstream/main' #58

Job	Run time
check docs (ubuntu-latest / stable)	57s
check format (ubuntu-latest / nightly)	13s
check feature flags (ubuntu-latest / stable)	1m 30s
check examples (ubuntu-latest / stable)	53s
check licenses (ubuntu-latest / stable)	21s
check linter (ubuntu-latest / stable)	1m 35s
check minimal versions of transitive dependencies (ubuntu-latest / stable)	1m 13s
check minimal supported rust version (ubuntu-latest / msrv)	11s
check spelling (ubuntu-latest / nightly)	5m 30s
test (ubuntu-latest / stable)	1m 54s
test (macos-latest / stable)	2m 4s
test (windows-latest / stable)	6m 51s
	23m 12s

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