Update subosito/flutter-action action to v2.11.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
subosito/flutter-action	action	minor	v2.10.0 -> v2.11.0

---

Release Notes

subosito/flutter-action (subosito/flutter-action)

### [`v2.11.0`](https://togithub.com/subosito/flutter-action/releases/tag/v2.11.0) [Compare Source](https://togithub.com/subosito/flutter-action/compare/v2.10.0...v2.11.0) Allow git ref as version for master channel: ```yaml steps: - uses: actions/checkout@v3 - uses: subosito/flutter-action@v2 with: flutter-version: '5b12b74' # tag, commit or branch channel: 'master' - run: flutter --version ```

---

Configuration

📅 Schedule: Branch creation - "before 5pm on friday" in timezone Europe/Berlin, 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 has been generated by Mend Renovate. View repository job log here.