chore(deps): update dependency terser to v5.28.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
terser (source)	5.27.0 -> 5.28.1

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Release Notes

terser/terser (terser)

### [`v5.28.1`](https://togithub.com/terser/terser/blob/HEAD/CHANGELOG.md#v5281) [Compare Source](https://togithub.com/terser/terser/compare/v5.28.0...v5.28.1) (hotfix release) - Reverts v5.28.0 ### [`v5.28.0`](https://togithub.com/terser/terser/blob/HEAD/CHANGELOG.md#v5280) [Compare Source](https://togithub.com/terser/terser/compare/v5.27.2...v5.28.0) - Optimise redundant or shrinkable bitwise operations (`|`, `^`, `&`, `>>`, `<<`) - Evaluate some `BigInt` math operations ### [`v5.27.2`](https://togithub.com/terser/terser/blob/HEAD/CHANGELOG.md#v5272) [Compare Source](https://togithub.com/terser/terser/compare/v5.27.1...v5.27.2) - Recognise `this` as a reference to the surrounding class in `drop_unused`. Closes [#​1472](https://togithub.com/terser/terser/issues/1472) ### [`v5.27.1`](https://togithub.com/terser/terser/blob/HEAD/CHANGELOG.md#v5271) [Compare Source](https://togithub.com/terser/terser/compare/v5.27.0...v5.27.1) - Fixed case where `collapse_vars` inlines `await` expressions into non-async functions.

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