Merge pull request #1062 from tskit-dev/dependabot/pip/python/requirements/CI-complete/portion-2.1.4

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

Author: mergify[bot]

python/requirements/CI-complete/requirements.txt

@@ -11,7 +11,7 @@ msprime==0.7.4
 networkx==2.5
 newick==1.0.0
 numpy==1.19.4
-portion==2.1.3
+portion==2.1.4
 pyparsing==2.4.7
 pysam==0.16.0.1
 pytest==6.1.2