Drop Python 3.8 support

Author: alvarobartt

setup.py

@@ -66,7 +66,7 @@
     install_requires=install_requires,
     extras_require=extras,
     entry_points={"console_scripts": "serve=sagemaker_huggingface_inference_toolkit.serving:main"},
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     license="Apache License 2.0",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
@@ -76,7 +76,6 @@
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",