CI: run the expe-sasa.4.0.3 job on the sasa.4.0.3 branch only

.gitlab-ci.yml

@@ -18,8 +18,9 @@ expe-sasa.4.0.3:
   script:
     - opam depext -y ocamlgraph.1.8.8 camlidl.1.07 mlgmpidl.1.2.12 lutils.1.50.0 rdbg.1.188.4 lustre-v6.6.101.17 lutin.2.71.1 sasa.4.0.3
     - opam install -y ocamlgraph.1.8.8 camlidl.1.07 mlgmpidl.1.2.12 lutils.1.50.0 rdbg.1.188.4 lustre-v6.6.101.17 lutin.2.71.1 sasa.4.0.3
-    - git checkout sasa.4.0.3
     - make bigexpe -j 10
+  only:
+    sasa.4.0.3
   artifacts:
     paths:
       - expe/results
@@ -49,7 +50,7 @@ expe-dockver:
     paths:
       - expe/results
 
-coloring:
+coloringecj:
   image: jahierwan/verimag-sync-tools
   stage: reproduce
   script: