chore: Fix slurm gate tests with h5py>=3  dependency
The slurm gate invocations of pytest are failing with
AttributeError: module 'numpy' has no attribute 'typeDict'
due to numby>1.20 and h5py==2.10. Add dependency to force h5py>=3 in the e2e-tests requirements.txt to eliminate the error.
@@ -12,3 +12,8 @@ pyyaml
docker
python-dateutil
kubernetes
+# numby>1.20 and h5py==2.10 are incompatible, force newer versions of
+# of both to avoid AttributeError: module 'numpy' has no attribute 'typeDict'
+# when pytest executes e2e_tests.
+numpy>=1.20
+h5py>=3
