Merge pull request #579 from tskit-dev/dependabot/pip/requirements/CI-tests-conda/zarr-2.9.5

Bump zarr from 2.8.3 to 2.9.5 in /requirements/CI-tests-conda

Author: mergify[bot]

requirements/CI-tests-conda/requirements.txt

@@ -1,5 +1,5 @@
 lmdb==0.9.24
 msprime==1.0.2
 python-lmdb==0.96
-zarr==2.8.3
+zarr==2.9.5
 h5py==3.3.0