chore(deps): update dependency lightning-flow-scanner to v6 [security… #3880

Job	Run time
Publish mega-linter-runner (beta)	5s
Deploy Docker Image - BETA	21m 26s
Deploy Docker Image (Custom Flavor Builder) - BETA (linux/amd64, ubuntu-latest)	1m 7s
Deploy Docker Image (Custom Flavor Builder) - BETA (linux/arm64, ubuntu-24.04-arm)	1m 19s
merge-custom-flavor-builder	0s
	23m 57s

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