Bump docker-compose to v2.12.2 (#4350)
Bump docker-compose to v2.12.2 (#4350)

Since docker-compose with 2.12.2 seems to handle
proxies correctly, https://github.com/docker/compose/issues/9034
then we may be able to no longer use drud/ddev-proxy-support
as things may work with no intervention.
rfay/ddev,rfay/ddev,rfay/ddev,drud/ddev,drud/ddev,rfay/ddev,rfay/ddev,drud/ddev,drud/ddev,drud/ddev