fix(deps): update dependency @google-cloud/projectify to v3

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@google-cloud/projectify	^2.0.0 -> ^3.0.0

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Release Notes

googleapis/nodejs-projectify

### [`v3.0.0`](https://togithub.com/googleapis/nodejs-projectify/blob/HEAD/CHANGELOG.md#​300-httpsgithubcomgoogleapisnodejs-projectifycomparev211v300-2022-05-20) [Compare Source](https://togithub.com/googleapis/nodejs-projectify/compare/v2.1.1...v3.0.0) ##### ⚠ BREAKING CHANGES - update library to use Node 12 ([#​299](https://togithub.com/googleapis/nodejs-projectify/issues/299)) ##### Build System - update library to use Node 12 ([#​299](https://togithub.com/googleapis/nodejs-projectify/issues/299)) ([83b63ca](https://togithub.com/googleapis/nodejs-projectify/commit/83b63ca8cb89086a8535a9fc8abd39e95f0cecd4)) ##### [2.1.1](https://www.github.com/googleapis/nodejs-projectify/compare/v2.1.0...v2.1.1) (2021-09-09) ##### Bug Fixes - **build:** switch primary branch to main ([#​267](https://www.togithub.com/googleapis/nodejs-projectify/issues/267)) ([9e8d6e4](https://www.github.com/googleapis/nodejs-projectify/commit/9e8d6e48c080806b42164d7be0bd11197996f245))

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