Bump requests, urllib3 and djangorestframework

[davidu1975]

Bump requests, urllib3 and djangorestframework

Workflow

• Ticket exists in Jira https://uktrade.atlassian.net/browse/GREATUK-775
• Jira ticket has the correct status.
• A clear/description pull request messaged added.

Housekeeping

• Upgraded any vulnerable dependencies.
• Python requirements have been re-compiled.

Merging

• This PR can be merged by reviewers. (If unticked, please leave for the author to merge)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.78%. Comparing base (1564063) to head (1b8ad60).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1184   +/-   ##
========================================
  Coverage    94.78%   94.78%           
========================================
  Files           80       80           
  Lines         3546     3546           
========================================
  Hits          3361     3361           
  Misses         185      185           

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