fix(deps): update dependency acorn to v8.12.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
acorn	8.11.3 -> 8.12.0

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Release Notes

acornjs/acorn (acorn)

### [`v8.12.0`](https://togithub.com/acornjs/acorn/compare/8.11.3...8.12.0) [Compare Source](https://togithub.com/acornjs/acorn/compare/8.11.3...8.12.0)

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