Merge pull request #1641 from tskit-dev/dependabot/pip/python/requirements/CI-complete/h5py-3.4.0

Bump h5py from 3.3.0 to 3.4.0 in /python/requirements/CI-complete

Author: mergify[bot]

python/requirements/CI-complete/requirements.txt

@@ -2,7 +2,7 @@ biopython==1.79
 black==21.7b0
 coverage==5.5
 flake8==3.9.2
-h5py==3.3.0
+h5py==3.4.0
 jsonschema==3.2.0
 kastore==0.3.1
 msgpack==1.0.2