Upgrade mocha to 10.3.0 (#203500)

## Summary

Upgrade `mocha` from 10.1.0 to 10.3.0

[Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)

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Co-authored-by: kibanamachine <[email protected]>

Author: kc13greiner

package.json

@@ -1788,7 +1788,7 @@
     "micromatch": "^4.0.8",
     "mini-css-extract-plugin": "1.1.0",
     "minimist": "^1.2.6",
-    "mocha": "^10.1.0",
+    "mocha": "^10.3.0",
     "mocha-junit-reporter": "^2.0.2",
     "mocha-multi-reporters": "^1.5.1",
     "mochawesome": "^7.1.3",