Update dependency dompurify to v2.3.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dompurify	2.3.0 -> 2.3.1

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Release Notes

cure53/DOMPurify

### [`v2.3.1`](https://togithub.com/cure53/DOMPurify/releases/2.3.1) [Compare Source](https://togithub.com/cure53/DOMPurify/compare/2.3.0...2.3.1) - Added code to make `FORBID_CONTENTS` setting configurable - Added `role` to URI-safe attributes - Added more paranoid handling for template elements

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