Bump @xmldom/xmldom in /samples/react-ppp-pnp-controls

Bumps [@xmldom/xmldom](https://github.com/xmldom/xmldom) from 0.7.5 to 0.7.6.
- [Release notes](https://github.com/xmldom/xmldom/releases)
- [Changelog](https://github.com/xmldom/xmldom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/xmldom/xmldom/compare/0.7.5...0.7.6)

---
updated-dependencies:
- dependency-name: "@xmldom/xmldom"
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

samples/react-ppp-pnp-controls/package-lock.json

@@ -6275,9 +6275,9 @@
       }
     },
     "@xmldom/xmldom": {
-      "version": "0.7.5",
-      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.7.5.tgz",
-      "integrity": "sha512-V3BIhmY36fXZ1OtVcI9W+FxQqxVLsPKcNjWigIaa81dLC9IolJl5Mt4Cvhmr0flUnjSpTdrbMTSbXqYqV5dT6A=="
+      "version": "0.7.6",
+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.7.6.tgz",
+      "integrity": "sha512-HHXP9hskkFQHy8QxxUXkS7946FFIhYVfGqsk0WLwllmexN9x/+R4UBLvurHEuyXRfVEObVR8APuQehykLviwSQ=="
     },
     "@xtuc/ieee754": {
       "version": "1.2.0",