Plugin-builds for events-eiffel fix branch confusion

In:
1b83fa1032 Update plugin-builds for events-eiffel
there was a mix-up between plugin-branches and Gerrit branches.
Fix configuration so that events-eiffel:master is built for:
* 3.10
* 3.11
* 3.12
* master

Release-Notes: skip
Change-Id: I5f15b63185eeafc09b8daf32e32e63441525dbca
diff --git a/jenkins/gerrit-bazel-plugin-events-eiffel.yaml b/jenkins/gerrit-bazel-plugin-events-eiffel.yaml
index 9d85608..d1f9948 100644
--- a/jenkins/gerrit-bazel-plugin-events-eiffel.yaml
+++ b/jenkins/gerrit-bazel-plugin-events-eiffel.yaml
@@ -5,9 +5,9 @@
           extra-modules: 'events-broker'
           branch:
             - master
+          gerrit-branch:
+            - master
             - stable-3.12
             - stable-3.11
             - stable-3.10
-          gerrit-branch:
-            - master
       - 'plugin-{name}-verifier'