chore(deps): update ghcr.io/marketsquare/robotframework-browser/rfbrowser-stable docker tag to v19

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
ghcr.io/marketsquare/robotframework-browser/rfbrowser-stable	major	17.5.2 -> 19.10.1

---

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 PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.