Exclude symlinks to directories with follow+nodir #256

Job	Run time
build (16.x, ubuntu-latest, bash)	1m 49s
build (16.x, macos-latest, bash)	3m 36s
build (16.x, windows-latest, bash)	1m 21s
build (16.x, windows-latest, powershell)	1m 56s
build (18.x, ubuntu-latest, bash)	48s
build (18.x, macos-latest, bash)	1m 15s
build (18.x, windows-latest, bash)	1m 58s
build (18.x, windows-latest, powershell)	2m 0s
build (20.x, ubuntu-latest, bash)	42s
build (20.x, macos-latest, bash)	2m 4s
build (20.x, windows-latest, bash)	1m 32s
build (20.x, windows-latest, powershell)	1m 35s
	20m 36s

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