Convert rotate jwe key script into a celery task (PP-1480)

[jonathangreen]

Description

Convert token rotation script to celery task.

Motivation and Context

JIRA: PP-1480

Part of the epic to convert all our scripts to be celery tasks: PP-107

How Has This Been Tested?

• Running unit tests

Checklist

• I have updated the documentation accordingly.
• All new and existing tests passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.11%. Comparing base (17948cb) to head (166528d).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2253   +/-   ##
=======================================
  Coverage   91.11%   91.11%           
=======================================
  Files         363      363           
  Lines       41297    41299    +2     
  Branches     8841     8843    +2     
=======================================
+ Hits        37629    37631    +2     
  Misses       2406     2406           
  Partials     1262     1262           

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[tdilauro]

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