Update Molecule config to use ess-linux docker image from registry

ICSHWI-7320

molecule/default/molecule.yml

@@ -47,7 +47,7 @@ platforms:
   - name: ics-ans-role-conda-debian
     image: debian:9
   - name: ics-ans-role-conda-ess-linux
-    image: ess-linux
+    image: registry.esss.lu.se/ics-docker/ess-linux:latest
     dockerfile: Dockerfile-ess-linux.j2
     capabilities:
       - SYS_ADMIN
@@ -61,7 +61,7 @@ platforms:
     groups:
       - ess_linux
   - name: ics-ans-role-conda-create-env-ess-linux
-    image: ess-linux
+    image: registry.esss.lu.se/ics-docker/ess-linux:latest
     dockerfile: Dockerfile-ess-linux.j2
     capabilities:
       - SYS_ADMIN