Fixed slow conda environment creation.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
7 jobs for master in 31 minutes and 9 seconds (queued for 6 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_enpt #90902

00:14:34

91.0%
passed test_enpt_install #91051

00:07:18

passed test_styles #90903

00:02:07

passed test_urls #90904

00:06:14

passed test_enpt_install #90905

01:47:39

 
  Deploy
passed pages #90906

00:00:54

passed pages:deploy

00:00:03