Bump @tootallnate/once and jsdom in /extensions/notebook-renderers (#299312)

Removes [@tootallnate/once](https://github.com/TooTallNate/once). It's no longer used after updating ancestor dependency [jsdom](https://github.com/jsdom/jsdom). These dependencies need to be updated together.


Removes `@tootallnate/once`

Updates `jsdom` from 21.1.1 to 28.1.0
- [Release notes](https://github.com/jsdom/jsdom/releases)
- [Changelog](https://github.com/jsdom/jsdom/blob/main/Changelog.md)
- [Commits](https://github.com/jsdom/jsdom/compare/21.1.1...28.1.0)

---
updated-dependencies:
- dependency-name: "@tootallnate/once"
  dependency-version: 
  dependency-type: indirect
- dependency-name: jsdom
  dependency-version: 28.1.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

extensions/notebook-renderers/package.json

@@ -50,7 +50,7 @@
 		"@types/jsdom": "^21.1.0",
 		"@types/node": "^22.18.10",
 		"@types/vscode-notebook-renderer": "^1.60.0",
-		"jsdom": "^21.1.1"
+		"jsdom": "^28.1.0"
 	},
 	"repository": {
 		"type": "git",