added bob.bio.base in both requirements and conda recipe (needed for extractors)

2 jobs for add-extractors in 10 minutes and 9 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #156225
docker
build_linux_36

00:10:03

70.0%
passed #156226
macosx
build_macosx_36

00:01:02