fix: Add databuilder missing dependencies

[hhobson]

Summary of Changes

databuilder version 4.0.2 has missing dependencies, causing ModuleNotFoundError when importing databuilder/publisher/neo4j_csv_publisher.py. See Issue #793.

Have added Jinja2>=2.10.0,<2.12 and pandas>=0.21.0,<1.2.0 to setup.py, package versions taken from requirements.txt.

Tests

No test added as only changed setup.py

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[feng-tao]

thanks, we update the requirements.txt, but forgot we no longer import that file in setup.py