🔧 Drop support for Python 3.8 (#14563)

pyproject.toml

@@ -9,7 +9,7 @@ description = "FastAPI framework, high performance, easy to learn, fast to code,
 readme = "README.md"
 license = "MIT"
 license-files = ["LICENSE"]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "Sebastián Ramírez", email = "[email protected]" },
 ]
@@ -34,7 +34,6 @@ classifiers = [
     "Framework :: Pydantic :: 2",
     "Intended Audience :: Developers",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",