Add a 10.11.0 with a UR18 to the test matrix

Author: urfeex

.github/workflows/ci.yml

@@ -29,6 +29,9 @@ jobs:
           - ROBOT_MODEL: 'ur5e'
             URSIM_VERSION: '10.7.0'
             PROGRAM_FOLDER: 'tests/resources/dockerursim/programs/polyscopex'
+          - ROBOT_MODEL: 'ur18'
+            URSIM_VERSION: '10.11.0-preview'
+            PROGRAM_FOLDER: 'tests/resources/dockerursim/programs/polyscopex'
 
     steps:
       - uses: actions/checkout@v5