Use the same debounced restart for all watchers #11444

Job	Run time
Ruby 3.1 on ubuntu-latest	15m 49s
lint_node	43s
Ruby 3.2 on ubuntu-latest	16m 5s
lint_ruby	22s
build_node (ubuntu-latest)	1m 22s
Ruby 3.3 on ubuntu-latest	10m 52s
build_node (macos-latest)	2m 9s
Ruby 3.1 on macos-latest	12m 17s
spelling	13s
build_node (windows-latest)	7m 13s
Verify Jekyll website builds	12s
Ruby 3.2 on macos-latest	9m 58s
Ruby 3.3 on macos-latest	7m 24s
Ruby 3.1 on windows-latest	22m 33s
Ruby 3.2 on windows-latest	22m 45s
Ruby 3.3 on windows-latest	21m 2s
	2h 30m 59s

Provide feedback