Rework the Dockerfile to list Python dependencies.
Those can be updated using renovate.
Signed-off-by: Francesco Canovai <francesco.canovai@enterprisedb.com>
Signed-off-by: Niccolò Fei <niccolo.fei@enterprisedb.com>
Co-authored-by: Niccolò Fei <niccolo.fei@enterprisedb.com>