Bump transip from 2.1.1 to 2.1.2

Bumps [transip](https://github.com/benkonrath/transip-api) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/benkonrath/transip-api/releases)
- [Changelog](https://github.com/benkonrath/transip-api/blob/2.1.2/CHANGELOG.rst)
- [Commits](https://github.com/benkonrath/transip-api/compare/2.1.1...2.1.2)

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

requirements.txt

@@ -23,4 +23,4 @@ requests==2.23.0
 s3transfer==0.3.3
 setuptools==44.0.0
 six==1.14.0
-transip==2.1.1
+transip==2.1.2