[disc][porousmediumflow][co2] Use discretization tag instead of enum as template argument.

7 jobs for !2844 with feature/discretization-tags-introduction in 31 minutes (queued for 6 seconds)
Child pipeline (parent) detached
Status Name Job ID Coverage
  Configure
passed configure #48585

00:00:49

 
  Linting
passed black (python) #48588

00:00:20

passed pylint-flake8 (python) #48591

00:02:05

 
  Select
passed select tests #48595

00:01:04

 
  Build
passed compile cpp #48598

00:23:54

 
  Test
passed test cpp #48599

00:05:08

passed test python #48601

00:09:22