Gate usage of ensureDirectory with a lock (#1074) #711

Job	Run time
checkstyle	3m 22s
build	5m 3s
copyright	3m 23s
shellcheck	3m 12s
javadoc	4m 0s
cli/linux-amd64	4m 33s
spotbugs	5m 37s
cli/windows-amd64	5m 34s
tests/cli-linux	5m 8s
vscode-ext	3m 53s
cli/darwin-amd64	6m 11s
tests/cli-functional-linux	7m 51s
tests/archetype-linux	4m 51s
tests/linker-linux	4m 50s
tests/others-linux	6m 12s
tests/cli-windows	5m 45s
tests/cli-functional-windows	8m 7s
tests/archetype-windows	5m 28s
tests/linker-windows	5m 17s
tests/others-windows	7m 16s
cli/binaries	12s
tests/results	3s
gate	1s
	1h 45m 49s

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