[access] add Epione on abacus18 in P1 temporarily

data/grid5000/accesses/all.json

@@ -4279,8 +4279,8 @@
       "level": 0
     },
     "abacus18": {
-      "label": "besteffort",
-      "level": 0
+      "label": "p1",
+      "level": 40
     },
     "abacus19": {
       "label": "besteffort",

input/grid5000/access/rennes.yaml

@@ -42,7 +42,9 @@ abacus3: &linkmedia-exclusive
     p1: [linkmedia, '@admin']
     besteffort: ['@inria_group', '@other_groups_with_access']
 abacus10: *linkmedia-exclusive
-abacus18: *linkmedia-exclusive
+abacus18:
+    p1: [linkmedia, epione, '@admin']
+    besteffort: ['@inria_group', '@other_groups_with_access']
 abacus21: *linkmedia-exclusive
 
 ## SIROCCO