Update dependency firebase-functions to v4.5.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
firebase-functions	4.4.1 -> 4.5.0

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Release Notes

firebase/firebase-functions (firebase-functions)

### [`v4.5.0`](https://togithub.com/firebase/firebase-functions/releases/tag/v4.5.0) [Compare Source](https://togithub.com/firebase/firebase-functions/compare/v4.4.1...v4.5.0) - Remove HTTP server shutdown message. ([#​1457](https://togithub.com/firebase/firebase-functions/issues/1457)) - Add features to task queue functions. ([#​1423](https://togithub.com/firebase/firebase-functions/issues/1423)) - Add traces to V2 Firestore trigger logs. ([#​1440](https://togithub.com/firebase/firebase-functions/issues/1440)) - Fix incorrectly parsed timestamps in auth blocking functions. ([#​1472](https://togithub.com/firebase/firebase-functions/issues/1472)) - Add recaptcha verdict support for auth blocking functions ([#​1458](https://togithub.com/firebase/firebase-functions/issues/1458))

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