Failed to build the mellanox image when dpkg enabled, it has impact on PR checks.
python2 is end of life and SONiC is going to support python3. This PR is going to support: 1. Mellanox SONiC platform API python3 support 2. Install both python2 and python3 verson of Mellanox SONiC platform API or pmon and host side
Signed-off-by: Nazarii Hnydyn <nazariig@mellanox.com>