Update bump2version to 1.0.1

[pyup-bot]

This PR updates bump2version from 0.5.11 to 1.0.1.

Changelog

1.0.1

- Added: enable special characters in search/replace, thanks mckelvin
- Added: allow globbing a pattern to match multiple files, thanks balrok
- Added: way to only bump a specified file via --no-configured-files, thanks balrok
- Fixed: dry-run now correctly outputs, thanks fmigneault
- Housekeeping: documentation for lightweight tags improved, thanks GreatBahram
- Housekeeping: added related tools document, thanks florisla
- Fixed: no more falling back to default search, thanks florisla

1.0.0

- Fix the spurious newline that bump2version adds when writing to bumpversion.cfg, thanks kyluca 58
- Add Python3.8 support, thanks florisla 
- Drop Python2 support, thanks hugovk
- Allow additional arguments to the commit call, thanks lubomir
- Various documentation improvements, thanks lubomir florisla padamstx glotis
- Housekeeping, move changelog into own file

Links

• PyPI: https://pypi.org/project/bump2version
• Changelog: https://pyup.io/changelogs/bump2version/
• Repo: https://github.com/c4urself/bump2version