Switch to binder-examples/requirements for our tests

tests/external/reproductions.repos.yaml

@@ -30,10 +30,10 @@
   url: https://github.com/QuantStack/xeus-cling
   ref: 0.4.5
   verify: jupyter kernelspec list
-# Zenodo record of https://github.com/mbcxqcw2/EEModel/tree/v1.03
+# Zenodo record of https://github.com/binder-examples/requirements
-- name: 10.5281/zenodo.1211089
+- name: 10.5281/zenodo.3242074
-  url: 10.5281/zenodo.1211089
+  url: 10.5281/zenodo.3242074
-  verify: python2 -c 'import matplotlib'
+  verify: python -c 'import matplotlib'
 # Test that files in git-lfs are properly cloned
 - name: LFS
   url: https://github.com/binderhub-ci-repos/lfs