Bump version to 1.3.0, fix packaging (#489)

Author: Siting Ren

setup.py

@@ -45,7 +45,7 @@
 # version should use the format 'x.x.x' (instead of 'vx.x.x')
 setup(
     name='vertica-python',
-    version='1.2.0',
+    version='1.3.0',
     description='Official native Python client for the Vertica database.',
     long_description="vertica-python is the official Vertica database client for the Python programming language. Please check the [project homepage](https://github.com/vertica/vertica-python) for the details.",
     long_description_content_type='text/markdown',

vertica_python/__init__.py

@@ -47,7 +47,7 @@
 
 # Main module for this library.
 __author__ = 'Vertica'
-__copyright__ = 'Copyright (c) 2018-2022 Micro Focus or one of its affiliates.'
+__copyright__ = 'Copyright (c) 2018-2023 Micro Focus or one of its affiliates.'
 __license__ = 'Apache 2.0'
 
 __all__ = ['Connection', 'PROTOCOL_VERSION', 'version_info', 'apilevel', 'threadsafety',
@@ -56,7 +56,7 @@
            'OperationalError', 'ProgrammingError']
 
 # The version number of this library.
-version_info = (1, 2, 0)
+version_info = (1, 3, 0)
 __version__ = '.'.join(map(str, version_info))
 
 # The protocol version (3.12) implemented in this library.