Gate usage of ensureDirectory with a lock #710

Job	Run time
shellcheck	3m 5s
build	5m 4s
checkstyle	3m 28s
copyright	3m 16s
javadoc	3m 59s
cli/linux-amd64	4m 38s
tests/cli-linux	4m 58s
spotbugs	5m 44s
cli/windows-amd64	5m 28s
tests/cli-functional-linux	6m 38s
vscode-ext	3m 52s
cli/darwin-amd64	5m 51s
tests/archetype-linux	4m 55s
tests/linker-linux	4m 46s
tests/others-linux	5m 57s
tests/cli-windows	5m 46s
tests/cli-functional-windows	7m 41s
tests/archetype-windows	5m 35s
tests/linker-windows	5m 15s
tests/others-windows	7m 21s
cli/binaries	10s
tests/results	3s
gate	3s
	1h 43m 33s

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