fix(deps): update dependency @google-cloud/firestore to v5 (#2455)
fix(deps): update dependency @google-cloud/firestore to v5 (#2455)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@google-cloud/firestore](https://togithub.com/googleapis/nodejs-firestore) | [`^4.0.0` -> `^5.0.0`](https://renovatebot.com/diffs/npm/@google-cloud%2ffirestore/4.15.1/5.0.1) | [![age](https://badges.renovateapi.com/packages/npm/@google-cloud%2ffirestore/5.0.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/@google-cloud%2ffirestore/5.0.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/@google-cloud%2ffirestore/5.0.1/compatibility-slim/4.15.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/@google-cloud%2ffirestore/5.0.1/confidence-slim/4.15.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/nodejs-firestore</summary>

### [`v5.0.1`](https://togithub.com/googleapis/nodejs-firestore/blob/master/CHANGELOG.md#&#8203;501-httpswwwgithubcomgoogleapisnodejs-firestorecomparev500v501-2021-12-02)

[Compare Source](https://togithub.com/googleapis/nodejs-firestore/compare/v4.15.1...v5.0.1)

</details>

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