(feat) Update pipeline

Now a python virtual env is created to use the latest versions of scipy and numpy

.gitlab-ci.yml

@@ -5,6 +5,11 @@ default:
         - source /opt/intel/oneapi/tbb/latest/env/vars.sh
         - echo $(nproc)
         - printenv | sort
+        - python3 -m venv .venv
+        - source .venv/bin/activate
+        - pip install scipy # Numpy included
+        - pip install matplotlib
+        - pip install vtk
 
 .global_tag: &global_tag_def
     tags: