Update grafana/grafana Docker tag to v11.2.2 (#342)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/grafana | patch | `11.2.0-ubuntu` -> `11.2.2-ubuntu` |

---

### Configuration

📅 **Schedule**: Branch creation - "every weekend" in timezone
Europe/Dublin, 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.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/BSStudio/bss-web-admin-backend).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC45Ny4wIiwidXBkYXRlZEluVmVyIjoiMzguOTcuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwZW5kZW5jaWVzIiwiZG9ja2VyIl19-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

docker-compose.yml

@@ -63,7 +63,7 @@ services:
       timeout: 5s
       retries: 3
   grafana:
-    image: "grafana/grafana:11.2.0-ubuntu"
+    image: "grafana/grafana:11.2.2-ubuntu"
     ports:
       - "127.0.0.1:3000:3000"
     volumes: