v5.5.2 release #193

Job	Run time
pytest-integration / check-img-cache	5s
pytest-unit / check-img-cache	4s
Run PEP8 code style checks	19s
pytest-unit / test-img-build / build-image	2m 15s
pytest-integration / test-img-build / build-image	2m 5s
pytest-integration / test-img-build / scan-image	-1s
pytest-integration / run-tests	3m 41s
pytest-unit / run-tests	2m 15s
pytest-unit / test-img-build / scan-image	-1s
	10m 42s

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