chore(deps): update dependency dart to v3.11.1 (#7251) #3879

Job	Run time
Deploy Docker Image (Custom Flavor Builder) - BETA (linux/amd64, ubuntu-latest)	40s
Deploy Docker Image - BETA	51s
Deploy Docker Image (Custom Flavor Builder) - BETA (linux/arm64, ubuntu-24.04-arm)	44s
Publish mega-linter-runner (beta)	5s
merge-custom-flavor-builder	1s
	2m 21s

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