Drop back to deepspeed 0.8.3 because of issues with 0.9.x

Author: srowen

requirements.txt

@@ -1,7 +1,7 @@
 accelerate>=0.16.0,<1
 click>=8.0.4,<9
 datasets>=2.10.0,<3
-deepspeed>=0.9.0,<1
+deepspeed>=0.8.3,<0.9
 transformers[torch]>=4.28.1,<5
 langchain>=0.0.139
-torch>=1.13.1,<2
+torch>=1.13.1,<2