chore(deps): update dependency jsdoc-region-tag to v2

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
jsdoc-region-tag	^1.0.4 -> ^2.0.0

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Release Notes

googleapis/jsdoc-region-tag

### [`v2.0.0`](https://togithub.com/googleapis/jsdoc-region-tag/blob/HEAD/CHANGELOG.md#​200-httpsgithubcomgoogleapisjsdoc-region-tagcomparev131v200-2022-05-20) [Compare Source](https://togithub.com/googleapis/jsdoc-region-tag/compare/v1.3.1...v2.0.0) ##### ⚠ BREAKING CHANGES - update library to use Node 12 ([#​107](https://togithub.com/googleapis/jsdoc-region-tag/issues/107)) ##### Build System - update library to use Node 12 ([#​107](https://togithub.com/googleapis/jsdoc-region-tag/issues/107)) ([5b51796](https://togithub.com/googleapis/jsdoc-region-tag/commit/5b51796771984cf8b978990025f14faa03c19923)) ##### [1.3.1](https://www.github.com/googleapis/jsdoc-region-tag/compare/v1.3.0...v1.3.1) (2021-08-11) ##### Bug Fixes - **build:** migrate to using main branch ([#​79](https://www.togithub.com/googleapis/jsdoc-region-tag/issues/79)) ([5050615](https://www.github.com/googleapis/jsdoc-region-tag/commit/50506150b7758592df5e389c6a5c3d82b3b20881))

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