chore(deps): update dependency gapic-tools to ^0.4.4

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gapic-tools (source)	^0.4.3 -> ^0.4.4

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Release Notes

googleapis/gax-nodejs (gapic-tools)

### [`v0.4.4`](https://togithub.com/googleapis/gax-nodejs/releases/tag/gapic-tools-v0.4.4): gapic-tools: v0.4.4 [Compare Source](https://togithub.com/googleapis/gax-nodejs/compare/gapic-tools-v0.4.3...gapic-tools-v0.4.4) ##### Bug Fixes - **deps:** remove rimraf in favor of native node rm function ([#​1626](https://togithub.com/googleapis/gax-nodejs/issues/1626)) ([dd87646](https://togithub.com/googleapis/gax-nodejs/commit/dd87646618d5026549920e224df7f85cbb5ff6a8)) - Use a hashed id for default root name ([#​1575](https://togithub.com/googleapis/gax-nodejs/issues/1575)) ([e3cf430](https://togithub.com/googleapis/gax-nodejs/commit/e3cf430d02bc855df27edf3e0f93454ca8196fdf))

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