Bump fast-xml-parser and artillery in /test/load (#3300)

Bumps [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) to 4.2.5 and updates ancestor dependency [artillery](https://github.com/artilleryio/artillery). These dependencies need to be updated together.


Updates `fast-xml-parser` from 3.19.0 to 4.2.5
- [Release notes](https://github.com/NaturalIntelligence/fast-xml-parser/releases)
- [Changelog](https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/NaturalIntelligence/fast-xml-parser/compare/3.19.0...v4.2.5)

Updates `artillery` from 2.0.0-34 to 2.0.0-36-f351294
- [Release notes](https://github.com/artilleryio/artillery/releases)
- [Commits](https://github.com/artilleryio/artillery/commits)

---
updated-dependencies:
- dependency-name: fast-xml-parser
  dependency-type: indirect
- dependency-name: artillery
  dependency-type: direct:production
...

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

test/load/package.json

@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "artillery": "^2.0.0-34",
+    "artillery": "^2.0.0-36-f351294",
     "ws": "^7.4.6"
   }
 }