Rapid-router

Bug Fixes

- Use sleigh image on start block for xmas theme
([1549](https://github.com/ocadotechnology/rapid-router/pull/1549),
[`0b72589`](https://github.com/ocadotechnology/rapid-router/commit/0b725890ad7c1908440fc2d985e028f6335b6963))

* fix: Use sleigh image on start block for xmas theme

* Use preexisting image

* Simplify code

Bug Fixes

- Cows are always visible and horn horns on the right square
([1545](https://github.com/ocadotechnology/rapid-router/pull/1545),
[`d44adc7`](https://github.com/ocadotechnology/rapid-router/commit/d44adc7ac42cba05a393d52d1a9018c60d97885d))

Features

- Enable automatic Christmas theme in December
([1538](https://github.com/ocadotechnology/rapid-router/pull/1538),
[`8cb7edd`](https://github.com/ocadotechnology/rapid-router/commit/8cb7edda3f424bd06745e2042a1fb2ec6aef98bf))

* feat: Enable automatic Christmas theme in December

* Add test

* Merge branch 'master' into automatic_rudolph

* Update CFC xmas URL for grass theme

Bug Fixes

- Bring back editor var ([1542](https://github.com/ocadotechnology/rapid-router/pull/1542),
[`d7cb10e`](https://github.com/ocadotechnology/rapid-router/commit/d7cb10eb0a5d2aad03f3999e6a9635177ed4b0b8))

Bug Fixes

- Buttons in level editor popup ([1539](https://github.com/ocadotechnology/rapid-router/pull/1539),
[`4ceb8a7`](https://github.com/ocadotechnology/rapid-router/commit/4ceb8a7a27aa57bcc25b9cd884a587623b9b71b6))

* fix: Buttons in level editor popup

* Remove codecov comment

* Disable comments

Bug Fixes

- Upgrade Django to 3.2.23 again (CI/CD measuring)
([1532](https://github.com/ocadotechnology/rapid-router/pull/1532),
[`b7380dd`](https://github.com/ocadotechnology/rapid-router/commit/b7380dd510fd1a8003154237a9bf11a31869cd33))

Build System

- Downgrade Django (CI/CD measuring)
([1531](https://github.com/ocadotechnology/rapid-router/pull/1531),
[`9bab5a5`](https://github.com/ocadotechnology/rapid-router/commit/9bab5a5aa2598bee52e748cb4b941b313fdd3892))