chore(deps): update dompurify requirement from ^3.4.1 to ^3.4.3 in /superset-frontend/plugins/legacy-preset-chart-nvd3

[dependabot]

Updates the requirements on dompurify to permit the latest version.

Release notes

Sourced from dompurify's releases.

DOMPurify 3.4.3

• Fixed an issue with handling of nested Shadow DOM trees, thanks @​fishjojo1
• Fixed the template regexes to be more robust against ReDoS attacks, thanks @​aleung27
• Updated the node iteration code to catch more Shadow DOM related issues
• Updated Playwright and added Node 26 to test matrix
• Updated existing workflows, fuzzer, release signing, etc., added more tests
• Bumped several dependencies where possible

Commits

• 520edb0 release: 3.4.3 (#1352)
• 6f67fd3 Sync/3.4.2 (#1322)
• See full diff in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.14%. Comparing base (85c4411) to head (5264e9b).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #39810   +/-   ##
=======================================
  Coverage   64.14%   64.14%           
=======================================
  Files        2590     2590           
  Lines      138024   138024           
  Branches    32017    32017           
=======================================
+ Hits        88538    88540    +2     
+ Misses      47967    47965    -2     
  Partials     1519     1519           

Flag	Coverage Δ
javascript	67.00% <ø> (+<0.01%)	⬆️

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[rusackas]

@dependabot recreate

[sadpandajoe]

@dependabot rebase

[dependabot]

Looks like this PR is already up-to-date with master! If you'd still like to recreate it from scratch, overwriting any edits, you can request @dependabot recreate.

[dependabot]

Superseded by #40106.