Update dependency dompurify to v3.4.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence	Diffend
dompurify	3.4.11 → 3.4.12					Diff

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Release Notes

cure53/DOMPurify (dompurify)

v3.4.12: DOMPurify 3.4.12

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• Fixed an issue where a hook would not get called for custom elements, thanks @​Rikuxx0
• Hardened the handling of hooks removing elements, @​mkrause-bee360
• Added support for a few new SVG attributes, thanks @​cbn-falias & @​Develop-KIM
• Hardened the handling of declarative partial updates
• Updated the documentation is several spots, README, wiki, etc.
• Bumped several dependencies where possible

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