Refs #20107: Update mirror workflow

Signed-off-by: JesusPoderoso <jesuspoderoso@eprosima.com>

Author: JesusPoderoso

.github/workflows/mirror.yml

@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         dest_branch:
-          - '1.4.x'
+          - '1.5.x'
     steps:
     - name: Mirror action step
       id: mirror