Update noxfile_config.py header year (#6558)
Update noxfile_config.py header year (#6558)

Copying noxfile_config.py with the current year so we don't have to manually change it each time we copy it :)

Co-authored-by: Dan Lee <73a4690aaee1868a8cc9d982a8fc87c8f9121c2e@users.noreply.github.com>
GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples