Can't build DjangoNode agent non-interactively

[egregors]

After some update of https://hub.docker.com/r/jetbrains/teamcity-minimal-agent/ image, you need to Configuring tzdata:

Configuring tzdata
------------------
Please select the geographic area in which you live. Subsequent configuration
questions will narrow this down by presenting a list of cities, representing
the time zones in which they are located.
  1. Africa      4. Australia  7. Atlantic  10. Pacific  13. Etc
  2. America     5. Arctic     8. Europe    11. SystemV
  3. Antarctica  6. Asia       9. Indian    12. US
Geographic area:

Plus, the package libpng12-dev was dropped after 16.04. It's been gone a long time.
Replace to libpng-dev