Fix: Container has timezone always set to UTC

This became an issue once schedules where added, as they would run at
the wrong time.
In order to fix it the host's timezone information is mounted.

.gitea/workflows/build.yml

@@ -87,6 +87,7 @@ jobs:
                     --pull always \
                     --restart unless-stopped \
                     --name automation_rs \
+                    -v /etc/localtime:/etc/localtime:ro \
                     -e RUST_LOG=automation=debug \
                     -e MQTT_PASSWORD=${{ secrets.MQTT_PASSWORD }} \
                     -e HUE_TOKEN=${{ secrets.HUE_TOKEN }} \