Update requirements.txt

requirements.txt

@@ -1,6 +1,7 @@
-fastapi==0.74.*
-requests==2.27.*
-uvicorn[standard]==0.17.*
-sentencepiece==0.1.*
-torch==1.11.*
-transformers==4.*
+fastapi==0.74.*
+requests==2.27.*
+uvicorn[standard]==0.17.*
+sentencepiece==0.1.*
+torch==1.11.*
+transformers==4.*
+flash_attn