Update dependency uglify-js to v3.15.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
uglify-js	3.15.3 -> 3.15.4

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Release Notes

mishoo/UglifyJS

### [`v3.15.4`](https://togithub.com/mishoo/UglifyJS/releases/v3.15.4) [Compare Source](https://togithub.com/mishoo/UglifyJS/compare/v3.15.3...v3.15.4) ##### Features - ensure `keep_fnames` on `function` literals assigned to variables ([`8922f08`](https://togithub.com/mishoo/UglifyJS/commit/8922f08fbf9719393d999eb148247f8968dc66af)) - workaround quirk on Chrome v100 ([`3671894`](https://togithub.com/mishoo/UglifyJS/commit/36718948be7904a2e5f6acb0d30ebb607f478a06)) ##### Bug Fixes - `class` literal ([`a8e040b`](https://togithub.com/mishoo/UglifyJS/commit/a8e040b133a642a461ea5043b3b489daad1a79be), [`c624b43`](https://togithub.com/mishoo/UglifyJS/commit/c624b437394e0ba909a6cd9c3c4066bdd0240a30)) - comma operator ([`8922f08`](https://togithub.com/mishoo/UglifyJS/commit/8922f08fbf9719393d999eb148247f8968dc66af)) - default parameter ([`ccd77d7`](https://togithub.com/mishoo/UglifyJS/commit/ccd77d70db38a48fffde0f42c0f2285926ee407d)) - destructuring syntax ([`d75a946`](https://togithub.com/mishoo/UglifyJS/commit/d75a946707f6f721b69d046f607426d5a3c6f8db)) - `for...in` loop ([`01b8407`](https://togithub.com/mishoo/UglifyJS/commit/01b84074d73a855c374e6ef66f9ce376c61e0e1c)) - `function` literal ([`998c979`](https://togithub.com/mishoo/UglifyJS/commit/998c9792dab292545162cd33d79e27aafe35f6c2)) - labeled statement ([`224c91b`](https://togithub.com/mishoo/UglifyJS/commit/224c91b6c1bea47e152c31994247e119089b92ae)) - object method ([`a8e040b`](https://togithub.com/mishoo/UglifyJS/commit/a8e040b133a642a461ea5043b3b489daad1a79be)) - rest parameter ([`15a4074`](https://togithub.com/mishoo/UglifyJS/commit/15a4074d1a42a90b42ddba3a1f8f3c5cb35af275)) - spread syntax ([`46570a4`](https://togithub.com/mishoo/UglifyJS/commit/46570a4eb6a7251035fd70ec8ebb4402c7a945a9)) - `var` statement ([`fb5e08e`](https://togithub.com/mishoo/UglifyJS/commit/fb5e08e4ec58c227161214f8836191009786f5cd), [`21bd4c4`](https://togithub.com/mishoo/UglifyJS/commit/21bd4c4a9dfd230ebbf37d646a59e1ee826ddd96)) - `yield` keyword ([`5e30f3a`](https://togithub.com/mishoo/UglifyJS/commit/5e30f3a48b2b79c03a32369868447813fe1fddce))

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