[GRASS-git] [OSGeo/grass] 8eba41: update python3 patch and add pdal package (#378)

[mmacata]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 8eba412c83d8f1af8bc4e506e9128034ebc68dc3
      https://github.com/OSGeo/grass/commit/8eba412c83d8f1af8bc4e506e9128034ebc68dc3
  Author: mmacata <mmacata at users.noreply.github.com>
  Date:   2020-02-26 (Wed, 26 Feb 2020)

  Changed paths:
    M docker/alpine/Dockerfile_alpine

  Log Message:
  -----------
  update python3 patch and add pdal package (#378)