Increase timeout of multi-sage notebook test from 120 to 180 (#729)

Author: oliverholworthy

tests/unit/examples/test_building_deploying_multi_stage_RecSys.py

@@ -43,7 +43,7 @@ def test_func():
         / "Building-and-deploying-multi-stage-RecSys"
         / "02-Deploying-multi-stage-RecSys-with-Merlin-Systems.ipynb",
         execute=False,
-        timeout=120,
+        timeout=180,
     ) as tb2:
         tb2.inject(
             """