fix: avoid endless loop when handling symlinks (#109) by @q0rban #216

Job	Run time
build (18.x, ubuntu-latest)	40s
build (18.x, windows-latest)	1m 57s
build (18.x, macos-latest)	40s
build (20.x, ubuntu-latest)	38s
build (20.x, windows-latest)	2m 20s
build (20.x, macos-latest)	38s
test_20 / test (18.x, ubuntu-latest)	3m 26s
test_host / test (18.x, ubuntu-latest)	5m 24s
test_20 / test (18.x, windows-latest)	5m 0s
test_18 / test (18.x, ubuntu-latest)	3m 21s
test_host / test (18.x, windows-latest)	4m 0s
test_20 / test (18.x, macos-latest)	4m 58s
test_18 / test (18.x, windows-latest)	5m 54s
test_host / test (18.x, macos-latest)	1m 8s
test_20 / test (20.x, ubuntu-latest)	3m 1s
test_host / test (20.x, ubuntu-latest)	5m 42s
test_20 / test (20.x, windows-latest)	5m 31s
test_18 / test (18.x, macos-latest)	3m 13s
test_20 / test (20.x, macos-latest)	3m 43s
test_host / test (20.x, windows-latest)	4m 43s
test_18 / test (20.x, ubuntu-latest)	3m 4s
test_host / test (20.x, macos-latest)	1m 20s
test_18 / test (20.x, windows-latest)	5m 2s
test_18 / test (20.x, macos-latest)	3m 44s
	1h 19m 7s

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