Web timer support #612

Job	Run time
cross (ubuntu-latest)	2m 19s
cross (macos-latest)	44s
fmt	14s
clippy	35s
msrv (ubuntu-latest, 1.63)	1m 15s
msrv (windows-latest, 1.63)	1m 41s
security_audit	11s
test (ubuntu-latest, nightly)	1m 48s
windows_gnu (nightly, x86_64-pc-windows-gnu)	2m 26s
test (ubuntu-latest, beta)	1m 25s
test (ubuntu-latest, stable)	1m 30s
test (windows-latest, nightly)	3m 45s
test (windows-latest, beta)	2m 59s
test (windows-latest, stable)	2m 55s
test (macos-latest, nightly)	2m 16s
test (macos-latest, beta)	2m 4s
test (macos-latest, stable)	2m 0s
	30m 7s

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