Bump geckodriver from 3.2.0 to 6.0.2 in /selenium

Bumps [geckodriver](https://github.com/webdriverio-community/node-geckodriver) from 3.2.0 to 6.0.2.
- [Release notes](https://github.com/webdriverio-community/node-geckodriver/releases)
- [Changelog](https://github.com/webdriverio-community/node-geckodriver/blob/main/CHANGELOG.md)
- [Commits](webdriverio-community/node-geckodriver@v3.2.0...v6.0.2)

---
updated-dependencies:
- dependency-name: geckodriver
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

selenium/package.json

@@ -15,7 +15,7 @@
     "chromedriver": "^134.0",
     "ejs": "^3.1.8",
     "express": "^4.18.2",
-    "geckodriver": "^3.0.2",
+    "geckodriver": "^6.0.2",
     "http-proxy": "^1.18.1",
     "mqtt": "^5.3.3",
     "path": "^0.12.7",