Replace artifact approach with cache.

.gitlab-ci.yml

@@ -4,36 +4,28 @@ stages:
     - run_real
     - postprocess
 
+cache:
+  paths:
+    - autosubmit/
+    - pyvenv/
+
 stage_0:
     stage: build
     script: ./examples/01_real-from-ideal.sh 0
     tags:
             - slurm.meteo.physik.lmu.de
-    artifacts:
-      paths:
-        - autosubmit
-        - venv
 
 stage_1:
     stage: run_ideal
     script: ./examples/01_real-from-ideal.sh 1
     tags:
             - slurm.meteo.physik.lmu.de
-    artifacts:
-      paths:
-        - autosubmit
-        - venv
-
 
 stage_2:
     stage: run_real
     script: ./examples/01_real-from-ideal.sh 2
     tags:
             - slurm.meteo.physik.lmu.de
-    artifacts:
-      paths:
-        - autosubmit
-        - venv
 
 stage_3:
     stage: postprocess