automation: Update docker-castopod Docker tag to v1.12.3

This MR contains the following updates:

Package	Update	Change
docker-castopod	patch	1.12.2 -> 1.12.3

---

️ Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

Configuration

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

Automerge: Enabled.

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

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

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.

roles/docker_castopod/defaults/main.yml

@@ -26,7 +26,7 @@ docker_castopod_database_location: "{{ docker_castopod_storage_location }}/datab
 docker_castopod_domain: podcasts.example.com
 
 # renovate: depName=docker.io/castopod/app
-docker_castopod_version: 1.12.2
+docker_castopod_version: 1.12.3
 # renovate: depName=docker.io/library/redis
 docker_castopod_redis_version: 7.2
 # renovate: depName=docker.io/library/mariadb