Bump twine from 3.1.1 to 3.2.0 (#278)

Bumps [twine](https://github.com/pypa/twine) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/pypa/twine/releases)
- [Changelog](https://github.com/pypa/twine/blob/master/docs/changelog.rst)
- [Commits](pypa/twine@3.1.1...3.2.0)

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

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

requirements-dev.txt

@@ -1,6 +1,6 @@
 setuptools==47.3.1
 wheel==0.34.2
-twine==3.1.1
+twine==3.2.0
 unittest-xml-reporting==3.0.2
 sphinx==3.1.1
 sphinx-rtd-theme==0.5.0