watch: fix minimum seconds #1691

Job	Run time
cargo check (ubuntu-latest)	1m 8s
cargo test (ubuntu-latest)	2m 2s
cargo check (windows-latest)	1m 45s
cargo check (macOS-latest)	30s
Code Coverage (macos-latest, macos)	2m 25s
cargo test (macOS-latest)	49s
Code Coverage (windows-latest, windows)	4m 58s
Code Coverage (ubuntu-latest, unix)	2m 33s
cargo test (windows-latest)	2m 17s
	18m 27s

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