switch from xmldom to @xmldom/xmldom; affects [DynamicXml]

[chris48s]

See the note at the top of the README on https://github.com/xmldom/xmldom

Since version 0.7.0 this package is published to npm as @xmldom/xmldom and no longer as xmldom, because xmldom/xmldom#271.

[github-actions]

	Warnings
⚠️	This PR modified service code for dynamic but not its test code. That's okay so long as it's refactoring existing code.

	Messages
📖	✨ Thanks for your contribution to Shields, @chris48s!

Generated by 🚫 dangerJS against e6819e0

[socket-security]

New dependency changes detected. Learn more about Socket for GitHub ↗︎

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👍 No new dependency issues detected in pull request

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Pull request alert summary

Issue	Status
Install scripts	✅ 0 issues
Native code	✅ 0 issues
Bin script shell injection	✅ 0 issues
Unresolved require	✅ 0 issues
Invalid package.json	✅ 0 issues
HTTP dependency	✅ 0 issues
Git dependency	✅ 0 issues
Potential typo squat	✅ 0 issues
Known Malware	✅ 0 issues
Telemetry	✅ 0 issues
Protestware/Troll package	✅ 0 issues

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📊 Modified Dependency Overview:

🚮 Removed packages: xmldom@0.6.0