Reduce numpy version dependency

Author: abetlen

setup.py

@@ -16,7 +16,7 @@
     license="MIT",
     package_dir={"llama_cpp": "llama_cpp", "llama_cpp.server": "llama_cpp/server"},
     packages=["llama_cpp", "llama_cpp.server"],
-    install_requires=["typing-extensions>=4.5.0", "numpy>=1.24.2"],
+    install_requires=["typing-extensions>=4.5.0", "numpy>=1.20.0"],
     extras_require={
         "server": ["uvicorn>=0.21.1", "fastapi>=0.95.0", "sse-starlette>=1.3.3"],
     },