Support `ARRAY` of `Enum`, `JSON` or `JSONB`

Support `ARRAY` of `Enum`, `JSON` or `JSONB`

Added support for columns or type :class:`.ARRAY` of :class:`.Enum`,
:class:`.JSON` or :class:`_postgresql.JSONB` in PostgreSQL.
Previously a workaround was required in these use cases.
Raise an explicit :class:`.exc.CompileError` when adding a table with a
column of type :class:`.ARRAY` of :class:`.Enum` configured with
:paramref:`.Enum.native_enum` set to ``False`` when
:paramref:`.Enum.create_constraint` is not set to ``False``

Fixes: #5265
Fixes: #5266
Change-Id: I83a2d20a599232b7066d0839f3e55ff8b78cd8fc