Update automerge.yml

Author: david-thrower

.github/workflows/automerge.yml

@@ -40,7 +40,7 @@ jobs:
 #      timeout-minutes: 45
     - name: HPO on LLM with Cerebros
       run: python3 llm_train_hpo_script.py # python3 train_a_generative_llm.py
-      timeout-minutes: 120
+      timeout-minutes: 180
 #    - name: Test distributed random search Ames by running
 #      run: python3 regression-example-ames-no-preproc.py
 #    - name: Test distributed random search Ames by running - Val set