update requirements, specify exact versions

requirements.txt

@@ -1,6 +1,15 @@
-mlx
-transformers
-numpy
-grpcio
-grpcio-tools
-mlx_lm
+grpcio==1.64.1
+grpcio-tools==1.64.1
+huggingface-hub==0.23.4
+mlx==0.15.1
+mlx-lm==0.14.3
+numpy==2.0.0
+protobuf==5.27.1
+requests==2.32.3
+safetensors==0.4.3
+tiktoken==0.7.0
+tinygrad @ git+https://github.com/tinygrad/tinygrad.git@a9f5a764dc640a5e5cbaaeeee21df7c8ca37da38
+tokenizers==0.19.1
+tqdm==4.66.4
+transformers==4.41.2
+