Add Task.ignore (#272) #866

Job	Run time
fable-npm-build (ubuntu-latest, 18)	2m 11s
build-devcontainer	8m 41s
fable-npm-build (ubuntu-latest, 20)	1m 58s
fable-python-build (ubuntu-latest, 3.10)	2m 41s
fable-npm-build (ubuntu-latest, latest)	2m 11s
fable-python-build (ubuntu-latest, 3.11)	2m 40s
dotnet-build (Debug, ubuntu-latest)	3m 4s
fable-npm-build (windows-latest, 18)	6m 16s
fable-python-build (ubuntu-latest, 3.12)	2m 36s
fable-npm-build (windows-latest, 20)	5m 17s
dotnet-build (Debug, windows-latest)	5m 31s
fable-python-build (windows-latest, 3.10)	5m 32s
fable-npm-build (windows-latest, latest)	6m 30s
fable-python-build (windows-latest, 3.11)	5m 20s
dotnet-build (Debug, macOS-latest)	3m 18s
fable-npm-build (macOS-latest, 18)	1m 35s
fable-python-build (windows-latest, 3.12)	5m 52s
dotnet-build (Release, ubuntu-latest)	3m 8s
dotnet-build (Release, windows-latest)	6m 49s
fable-python-build (macOS-latest, 3.10)	1m 49s
fable-npm-build (macOS-latest, 20)	1m 58s
dotnet-build (Release, macOS-latest)	2m 40s
fable-npm-build (macOS-latest, latest)	1m 42s
fable-python-build (macOS-latest, 3.11)	2m 18s
fable-python-build (macOS-latest, 3.12)	2m 1s
	1h 33m 38s

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