chore(deps): update twine requirement from ==1.* to ==2.*

Updates the requirements on [twine](https://github.com/pypa/twine) to permit the latest version.
- [Release notes](https://github.com/pypa/twine/releases)
- [Changelog](https://github.com/pypa/twine/blob/master/docs/changelog.rst)
- [Commits](pypa/twine@1.3.0...2.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

requirements.txt

@@ -8,4 +8,4 @@ pycodestyle==2.*
 Sphinx==2.*
 sphinxcontrib-log-cabinet==1.*
 sphinxcontrib-websupport==1.*
-twine==1.*
+twine==2.*