Don't run 'coverage-frontend' on FOSS as it's useless

Signed-off-by: Rémy Coutable <remy@rymai.me>

.gitlab/ci/frontend.gitlab-ci.yml

@@ -152,7 +152,7 @@ frontend-fixtures:
 frontend-fixtures-as-if-foss:
   extends:
     - .frontend-fixtures-base
-    - .frontend:rules:default-frontend-jobs-as-if-foss
+    - .frontend:rules:default-frontend-jobs-no-foss
     - .as-if-foss
 
 .frontend-job-base:
@@ -195,7 +195,7 @@ karma:
 karma-as-if-foss:
   extends:
     - .karma-base
-    - .frontend:rules:default-frontend-jobs-as-if-foss
+    - .frontend:rules:default-frontend-jobs-no-foss
     - .as-if-foss
   needs: ["frontend-fixtures-as-if-foss"]
 
@@ -230,7 +230,7 @@ jest:
 jest-as-if-foss:
   extends:
     - .jest-base
-    - .frontend:rules:default-frontend-jobs-as-if-foss
+    - .frontend:rules:default-frontend-jobs-no-foss
     - .as-if-foss
   needs: ["frontend-fixtures-as-if-foss"]
   cache:
@@ -239,7 +239,7 @@ jest-as-if-foss:
 coverage-frontend:
   extends:
     - .default-retry
-    - .frontend:rules:default-frontend-jobs
+    - .frontend:rules:default-frontend-jobs-no-foss
   needs: ["jest"]
   stage: post-test
   before_script:

.gitlab/ci/rules.gitlab-ci.yml

@@ -261,7 +261,7 @@
       changes: *code-backstage-patterns
       when: on_success
 
-.frontend:rules:default-frontend-jobs-as-if-foss:
+.frontend:rules:default-frontend-jobs-no-foss:
   rules:
     - <<: *if-not-ee
       when: never