Update dependency gulp-imagemin to v8 (v10/contrib) - autoclosed

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gulp-imagemin	7.1.0 -> 8.0.0

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Release Notes

sindresorhus/gulp-imagemin

### [`v8.0.0`](https://togithub.com/sindresorhus/gulp-imagemin/releases/tag/v8.0.0) [Compare Source](https://togithub.com/sindresorhus/gulp-imagemin/compare/v7.1.0...v8.0.0) - Require Node.js 12.20 [`1b4baf6`](https://togithub.com/sindresorhus/gulp-imagemin/commit/1b4baf6) - This package is now pure ESM. Please [read this](https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c). - [The bundled plugins are now named exports instead of being attached to the default export.](https://togithub.com/sindresorhus/gulp-imagemin/commit/fbb6fbe0d147b118aded70c60c2f66bd8117a017)

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Configuration

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