Tutor

- [Improvement] Upgrade all services to open-release/maple.2.

- [Security] Fix vulnerability in redirect URL during authentication (see [commit](https://github.com/overhangio/edx-platform/commit/06550411e34c04376fa3d757e1f068f464f816e6)).

- [Security] Fix vulnerability in call to invalid enrollment API (see [commit](https://github.com/openedx/edx-platform/commit/a140c674799c527e961e37c5e46cb7dc1ffef5ac)).
- [Bugfix] Fix "Internal Server Error / AttributeError / object has no attribute 'get_metadata'" in learning MFE.
- [Improvement] Replace all links to github.com/edx by github.com/openedx, following the migration of all repositories.
- [Bugfix] Fix `k8s start caddy` command.

- [Bugfix] Fix auto-renewal of certificates revoked by Let's Encrypt (see [discussion](https://community.letsencrypt.org/t/questions-about-renewing-before-tls-alpn-01-revocations/170449/21)).

- [Bugfix] Fix authentication in development due to missing SameSite policy on session ID cookie.
- [Bugfix] Display properly themed favicon.ico image in LMS, Studio, and microfrontends.
- [Bugfix] Fix "LazyStaticAbsoluteUrl is not JSON serializable" error when sending bulk emails.
- [Bugfix] Fix `tutor local importdemocourse` fails when the platform is not up.

- [Improvement] Provide much more comprehensive instructions when upgrading.
- [Bugfix] During the upgrade, make sure that the environment is up-to-date before prompting to rebuild the custom images.
- [Bugfix] Fix ownership of MySQL data, in particular when upgrading a Kubernetes cluster to Maple.
- [Bugfix] Ensure that ``tutor k8s upgrade`` is run during ``tutor k8s quickstart``, when necessary.
- 💥[Bugfix] By default, detect the current version during ``tutor k8s/local upgrade``.
- [Bugfix] Fix upgrading from Lilac to Maple on Kubernetes by deleting deployments and services.