Update notifications-python-client to 4.7.1

[pyup-bot]

There's a new version of notifications-python-client available.
You are currently using 4.6.0. I have updated it to 4.7.1

These links might come in handy: PyPI | Changelog | Repo

Changelog

4.7.1

• Fixed PyJWT security issue. 91

4.7.0

• Added NotificationsAPIClient.get_received_texts()
  • an optional older_than argument can be specified to retrieve all received texts older than the last
    received text id. If omitted the first 250, the api limit, received texts will be returned, with links indicating how to retrieve the next page of results.
• Added NotificationsAPIClient.get_received_texts_iterator()
  • returns all received texts by a generator object.

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 🤖

[codecov-io]

Codecov Report

Merging #750 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #750   +/-   ##
========================================
  Coverage    96.72%   96.72%           
========================================
  Files          143      143           
  Lines         4216     4216           
  Branches       393      393           
========================================
  Hits          4078     4078           
- Misses          82       83    +1     
+ Partials        56       55    -1

Impacted Files	Coverage Δ
datahub/core/admin.py	83.63% <0%> (ø)	⬆️

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[elcct]

Closing as we update dependencies differently.