[FR] Consider using DependaBot for automatic dependencies upgrade

[SmashingQuasar]

Is your feature request related to a problem? Please describe.

When working on projects for my clients, I always setup a pnpm audit && yarn audit as a blocking step of my CI pipeline to ensure no known vulnerabilities are going to production.
The firebase-admin-node package has had vulnerable dependencies detected several times which led me to invest time and energy opening issues and PRs.

Describe the solution you'd like

I would like the maintainers of this repository to setup DependaBot or any similar solution so the dependencies upgrade for vulnerabilities do not have to be done manually every time one is detected.

Describe alternatives you've considered

My current alternative is opening issues and PRs manually on the repository.

Additional context

You can find a quickstart guide for DependaBot on Github Docs.

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