MNT: Version 3.4.0 & python 3.11 in metadata

Author: snowman2

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = pyproj
-version = 3.4.0rc2
+version = 3.4.0
 description = Python interface to PROJ (cartographic projections and coordinate transformations library)
 long_description = file: README.md
 long_description_content_type = text/markdown
@@ -19,6 +19,7 @@ classifiers =
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3 :: Only
     Topic :: Scientific/Engineering
     Topic :: Scientific/Engineering :: GIS