Add "Programming Language :: Python :: 3.11" classifier (#12163)

Add setup.py classifiers for Python 3.11
diff --git a/compiler/setup.py b/compiler/setup.py
index e60b803..d1cf615 100644
--- a/compiler/setup.py
+++ b/compiler/setup.py
@@ -389,6 +389,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
     ],
     ext_modules=[
         CMakeExtension("iree.compiler._mlir_libs._mlir"),
diff --git a/runtime/setup.py b/runtime/setup.py
index 8232661..2ce90d6 100644
--- a/runtime/setup.py
+++ b/runtime/setup.py
@@ -377,6 +377,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
     ],
     url="https://github.com/iree-org/iree",
     python_requires=">=3.7",