Web timer support #617

Job	Run time
cross (ubuntu-latest)	2m 0s
cross (macos-latest)	35s
clippy	32s
msrv (ubuntu-latest, 1.63)	1m 14s
fmt	8s
msrv (windows-latest, 1.63)	1m 51s
windows_gnu (nightly, x86_64-pc-windows-gnu)	2m 20s
test (ubuntu-latest, nightly)	1m 49s
security_audit	12s
test (ubuntu-latest, beta)	1m 45s
test (ubuntu-latest, stable)	1m 35s
test (windows-latest, nightly)	3m 13s
test (windows-latest, beta)	3m 0s
test (windows-latest, stable)	3m 30s
test (macos-latest, nightly)	2m 40s
test (macos-latest, beta)	5m 12s
test (macos-latest, stable)	2m 18s
	33m 54s

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