Update selenium.version to v4.20.0 - autoclosed

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.seleniumhq.selenium:selenium-api (source)	4.18.1 -> 4.20.0
org.seleniumhq.selenium:selenium-java (source)	4.18.1 -> 4.20.0

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

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This MR has been generated by Renovate Bot.