* Update dependencies name
Modules are prefixed with `testcontainers-`
* Update container classes
Container classes are under `org.testcontainers.<module-name>` package
See gh-47664
Signed-off-by: Eddú Meléndez <eddu.melendez@gmail.com>
Move the `EnvironmentPostProcessor` from `org.springframework.boot.env`
to `org.springframework.boot` so that we can make the `env` package
foundational.
Most `EnvironmentPostProcessor` implementation has also been relocated
to a new `org.springframework.boot.support` package.
See gh-47232