Bump portion from 2.1.3 to 2.1.4 in /python/requirements/CI-tests-pip

Bumps [portion](https://github.com/AlexandreDecan/portion) from 2.1.3 to 2.1.4.
- [Release notes](https://github.com/AlexandreDecan/portion/releases)
- [Changelog](https://github.com/AlexandreDecan/portion/blob/master/CHANGELOG.md)
- [Commits](AlexandreDecan/portion@2.1.3...2.1.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

python/requirements/CI-tests-pip/requirements.txt

@@ -5,7 +5,7 @@ jsonschema==3.2.0
 h5py==3.0.0
 h5py==3.0.0
 svgwrite==1.4
-portion==2.1.3
+portion==2.1.4
 xmlunittest==0.5.0
 biopython==1.78
 kastore==0.3.1