Bump configargparse from 1.5.3 to 1.7

Created by: dependabot[bot]

Bumps configargparse from 1.5.3 to 1.7.

Commits

• ee77f44 added several missed global variables from the argparse module
• 9f73219 Merge pull request #279 from shadchin/drop_py2
• 6acc381 remove 2.7 since github doesn't have a test environment for it
• 959c190 try adding tests for 2.7
• c1a08f4 Remove Python 2 support
• bca2c2f updated README
• 82fd623 re-ordered badges
• 15c4c05 added downloads per week stat
• 6463782 attempt to fix apidocs
• 6d8b849 attempt to fix apidocs
• Additional commits viewable in compare view

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