chore: update copyright year

Author: mbdevpl

NOTICE

@@ -1,5 +1,5 @@
 version-query
-Copyright (c) 2017-2020  Mateusz Bysiek  https://mbdevpl.github.io/
+Copyright (c) 2017-2022  Mateusz Bysiek  https://mbdevpl.github.io/
 Copyright (c) 2020  John Vandenberg  https://github.com/jayvdb
 
 Licensed under the Apache License, Version 2.0 (the "License");

version_query/main.py

@@ -24,7 +24,7 @@ def main(args=None, namespace=None) -> None:
         prog='version_query',
         description='''Tool for querying current versions of Python packages. Use LOGGING_LEVEL
         environment variable to adjust logging level.''',
-        epilog='''Copyright 2017-2020 by the contributors, Apache License 2.0,
+        epilog='''Copyright 2017-2022 by the contributors, Apache License 2.0,
         https://github.com/mbdevpl/version-query''',
         formatter_class=argparse.ArgumentDefaultsHelpFormatter)
     parser.add_argument('-i', '--increment', action='store_true', help='''output version string for