Bump jsonpath-plus and artillery in /test/load (#4011)

Bumps [jsonpath-plus](https://github.com/s3u/JSONPath) to 10.1.0 and updates ancestor dependency [artillery](https://github.com/artilleryio/artillery). These dependencies need to be updated together.


Updates `jsonpath-plus` from 7.2.0 to 10.1.0
- [Release notes](https://github.com/s3u/JSONPath/releases)
- [Changelog](https://github.com/JSONPath-Plus/JSONPath/blob/main/CHANGES.md)
- [Commits](https://github.com/s3u/JSONPath/compare/v7.2.0...v10.1.0)

Updates `artillery` from 2.0.10 to 2.0.21
- [Release notes](https://github.com/artilleryio/artillery/releases)
- [Commits](https://github.com/artilleryio/artillery/compare/artillery-2.0.10...artillery-2.0.21)

---
updated-dependencies:
- dependency-name: jsonpath-plus
  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": "^2.0.10",
+    "artillery": "^2.0.21",
     "ws": "^7.5.10"
   }
 }