Update mocha requirement from ^10.3.0 to ^10.4.0

Updates the requirements on [mocha](https://github.com/mochajs/mocha) to permit the latest version.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.3.0...v10.4.0)

---
updated-dependencies:
- dependency-name: mocha
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -29,7 +29,7 @@
     "@iobroker/testing": "^4.1.1",
     "@alcalzone/release-script": "^3.7.0",
     "@alcalzone/release-script-plugin-iobroker": "^3.7.0",
-    "mocha": "^10.3.0",
+    "mocha": "^10.4.0",
     "chai": "^4.3.10"
   },
   "bugs": {