Set PYTORCH_MPS_HIGH_WATERMARK_RATIO in workflow

Author: ZainRizvi

.github/workflows/pull.yml

@@ -695,6 +695,7 @@ jobs:
           export MODEL_PATH=checkpoints/stories15M/stories15M.pt
           export MODEL_NAME=stories15M
           export MODEL_DIR=/tmp
+          export PYTORCH_MPS_HIGH_WATERMARK_RATIO=10.0
 
           python3 torchchat.py generate --device mps --checkpoint-path ${MODEL_PATH} --temperature 0