Update dependency firebase-admin to v12.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-admin (source)	12.3.1 -> 12.4.0

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Release Notes

firebase/firebase-admin-node (firebase-admin)

### [`v12.4.0`](https://togithub.com/firebase/firebase-admin-node/releases/tag/v12.4.0): Firebase Admin Node.js SDK v12.4.0 [Compare Source](https://togithub.com/firebase/firebase-admin-node/compare/v12.3.1...v12.4.0) ##### Miscellaneous - \[chore] Release 12.4.0 ([#​2674](https://togithub.com/firebase/firebase-admin-node/issues/2674)) - build(deps-dev): bump [@​firebase/app-compat](https://togithub.com/firebase/app-compat) from 0.2.38 to 0.2.39 ([#​2677](https://togithub.com/firebase/firebase-admin-node/issues/2677)) - chore: Deprecate sendToTopic and Condition ([#​2683](https://togithub.com/firebase/firebase-admin-node/issues/2683)) - build(deps): bump [@​types/node](https://togithub.com/types/node) from 22.1.0 to 22.3.0 ([#​2675](https://togithub.com/firebase/firebase-admin-node/issues/2675)) - build(deps-dev): bump mocha from 10.7.0 to 10.7.3 ([#​2670](https://togithub.com/firebase/firebase-admin-node/issues/2670)) - build(deps): bump [@​google-cloud/storage](https://togithub.com/google-cloud/storage) from 7.12.0 to 7.12.1 ([#​2669](https://togithub.com/firebase/firebase-admin-node/issues/2669)) - build(deps): bump axios in /.github/actions/send-email ([#​2673](https://togithub.com/firebase/firebase-admin-node/issues/2673)) - build(deps-dev): bump [@​microsoft/api-extractor](https://togithub.com/microsoft/api-extractor) from 7.47.5 to 7.47.6 ([#​2671](https://togithub.com/firebase/firebase-admin-node/issues/2671)) - Reroute Cloud Tasks to emulator when it is running ([#​2649](https://togithub.com/firebase/firebase-admin-node/issues/2649))

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