fix: Downgrade chromedriver to fix failing test

[AyakorK]

:tophat: Description

Please describe your pull request. This PR downgrades chromedriver the deprecation of the unload event APIs in Chromium

:pushpin: Related Issues

Link your PR to an issue

• Related to ##13277 Decidim

Tasks

• [x] Downgrade chromedriver

:camera: Screenshots

Please add screenshots of the changes you're proposing if related to the UI