chore(deps): update dependency slimtoolkit/slim to v1.40.6 #718

Job	Run time
Collect tools	6s
Build container image (docker-slim)	41s
Build container images successfully	1s
Check visibility (docker-slim) / Check	8s
Collect versions for tools	10s
Scan container images (docker-slim:1.40.6) / Scout	24s
	1m 30s

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