Bump appium version on metrics e2e tests

[krystofwoldrich]

Description

The Appium version '2.0.0' is not available.

The jobs are failing as the appium version is not available https://docs.saucelabs.com/mobile-apps/automated-testing/appium/appium-versions/#end-of-life

[antonis]

Closing the issue as deprecated after #4210
Please reopen if this is not the case 🙇