Bump ddt from 1.4.0 to 1.4.1

Bumps [ddt](https://github.com/datadriventests/ddt) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/datadriventests/ddt/releases)
- [Commits](datadriventests/ddt@1.4.0...1.4.1)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -7,6 +7,6 @@ filetype==1.0.7
 junit-xml==1.9
 emoji==0.5.4
 lxml==4.5.0
-ddt==1.4.0
+ddt==1.4.1
 pytest==5.4.2
 nose==1.3.7