- use awx-python in shebang in dev env
- scl enable where needed for rhel7 & container installs
- use scram-sha-256 pg user hashing by default
- ensure psycopg2 is using the correct PG_CONFIG at build time for the right libpq version
Prior to this change, password having shell interpretable character
would break the installer (e.g '&', '(', etc... )
This commits rely on the `quote` filter from ansible to ensure those
password are properly quoted where it applies
Fixes: https://github.com/ansible/awx/issues/3943
Signed-off-by: Yanis Guenane <yguenane@redhat.com>
