Bump bump2version from 0.5.11 to 1.0.1 (#29)

Bumps [bump2version](https://github.com/c4urself/bump2version) from 0.5.11 to 1.0.1.
- [Release notes](https://github.com/c4urself/bump2version/releases)
- [Changelog](https://github.com/c4urself/bump2version/blob/master/CHANGELOG.md)
- [Commits](c4urself/bump2version@v0.5.11...v1.0.1)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements_dev.txt

@@ -1,5 +1,5 @@
 pip==21.0.1
-bump2version==0.5.11
+bump2version==1.0.1
 wheel==0.33.6
 flake8==3.7.8
 tox==3.23.0