[conda] use pip to install the package [skip ci]

3 jobs for master in 13 minutes and 46 seconds
Status Name Job ID Coverage
  Build
passed build_linux_38 #246041
docker

00:07:36

79.0%
passed build_macos_intel_38 #246040
macos intel

00:12:05

79.0%
 
  Deploy
passed deploy_beta #246042
docker

00:01:41