deps: Update ghcr.io/devcontainers/features/docker-in-docker Docker tag to v3

[Zalfsten]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/devcontainers/features/docker-in-docker	feature	major	2 → 3

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[gemini-code-assist]

Code Review

This pull request updates the docker-in-docker feature version from 2 to 3 in the dev container configuration. Feedback indicates that this major version upgrade makes certain existing configuration properties, such as dockerDashComposeVersion, obsolete, which could lead to build failures or warnings.

[Zalfsten]

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