Update `xmldom` dependency

[jhmullen]

xmldom and canvg-browser currently have vulnerability warnings:

xmldom  *
Severity: moderate
Misinterpretation of malicious XML input - https://github.com/advisories/GHSA-5fg8-2547-mr8q
Misinterpretation of malicious XML input - https://github.com/advisories/GHSA-h6q6-9hqw-rwfv
No fix available
node_modules/xmldom
  canvg-browser  *
  Depends on vulnerable versions of xmldom
  node_modules/canvg-browser
    d3plus-export  *
    Depends on vulnerable versions of canvg-browser
    node_modules/d3plus-export

3 vulnerabilities (2 low, 1 moderate)

Some issues need review, and may require choosing
a different dependency.

Can these dependencies be updated?