Pin Jupyter Notebook version

[imjuanleonard]

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What this PR does / why we need it:
This issue fixes the version of pandas library used inside the Jupyter notebook
Which issue(s) this PR fixes:
Fixes #585

Does this PR introduce a user-facing change?:

NONE

[imjuanleonard]

/assign @woop

[woop]

Please remove the notebook output changes. You only need to merge in the code or config changes.

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: imjuanleonard, woop

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[woop]

/lgtm