Bumped versions

CMakeLists.txt

 cmake_minimum_required(VERSION 3.10.0)
 
 project(openmesh          
-        VERSION 1.2.1
+        VERSION 1.3.0
         LANGUAGES CXX )
 
 set(CMAKE_CXX_STANDARD 17)

setup.py

@@ -81,7 +81,7 @@ class CMakeBuild(build_ext):
 
 setup(
     name='openmesh',
-    version="1.2.1",
+    version="1.3.0",
     author='Alexander Dielen, Isaak Lim, Janis Born',
     author_email='vci-pypi@cs.rwth-aachen.de',
     description='a versatile halfedge-based data structure for representing and manipulating polygon meshes',
@@ -97,7 +97,7 @@ setup(
     url='https://gitlab.vci.rwth-aachen.de:9000/OpenMesh/openmesh-python',
     classifiers=[
         'Development Status :: 4 - Beta',
-        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.11',
         'Topic :: Multimedia :: Graphics',
     ],
     project_urls={