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

3 jobs for master in 12 minutes and 52 seconds
Status Name Job ID Coverage
  Build
passed build_linux_38 #246318
docker

00:08:21

79.0%
passed build_macos_intel_38 #246317
macos intel

00:11:17

79.0%
 
  Deploy
passed deploy_beta #246319
docker

00:01:35