build(deps): bump dompurify from 3.4.8 to 3.4.12

[dependabot]

Bumps dompurify from 3.4.8 to 3.4.12.

Release notes

Sourced from dompurify's releases.

DOMPurify 3.4.12

• 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

DOMPurify 3.4.11

• Fixed an issue with a leaky config for hooks via setConfig, thanks @​trace37labs
• Bumped vulnerable development dependencies to arrive at plain 0 with npm audit
• Updated the osv-scanner suppression list as no vulnerable dependencies are left for now
• Updated up the linting tool-chain and removed now-redundant lint directives
• Updated the documentation is several spots, README, wiki, etc.
• Bumped several dependencies where possible

DOMPurify 3.4.10

• Refactored codebase for clarity: extracted the public type declarations into types.ts
• Decomposed the three largest sanitizer functions into focused helpers
• Removed duplicated defaults and dead branches, consolidated SAFE_FOR_TEMPLATES scrubbing into single shared path
• Improved per-node performance by hoisting the mXSS probe regexes and testing textContent before innerHTML
• Added a deterministic micro-benchmark harness (npm run bench) with a --compare mode
• Reduced CI cost by running the full three-engine browser suite once per PR
• Refreshed the demos/ folder so every demo runs again, and added a SVG-via-<img> demo
• Documented the bench and test:happydom scripts in the README
• Completed the Attack Classes & Bypass History wiki page
• Bumped several dependencies where possible

DOMPurify 3.4.9

• Further improved the handling of Trusted Types config options, thanks @​offset
• Further improved the handling of IN_PLACE sanitization, thanks @​mozfreddyb
• Added more test coverage for IN_PLACE and Trusted Types related usage
• Bumped several dependencies where possible
• Updated README and wiki with more accurate documentation & attack samples

Commits

• a9ca1e5 release: 3.4.12 (#1537)
• 0cae518 release: 3.4.11 (#1494)
• 6ee5716 release: 3.4.10 (#1478)
• 5210247 release: 3.4.9 (#1459)
• See full diff in compare view

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Summary by cubic

Upgrade dompurify to 3.4.12 to bring security hardening, hook fixes (including custom elements), and added SVG attribute support. Improves sanitization reliability with no app code changes required.

^{Written for commit a9f5c96. Summary will update on new commits.}

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics 0 complexity · 0 duplication

Metric	Results
Complexity	0
Duplication	0

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[dependabot]

Superseded by #4410.