[FEATURE] Resolve deprecation warning for datetime.datetime.utcnow

[ferdia-sopermaccafraidh-lrn]

Overview

Resolves deprecation warning from tests due to now deprecated usage of utcnow.

tests/integration/test_dataapi.py: 10 warnings
tests/unit/test_dataapi.py: 8 warnings
  /Volumes/lde-code/learnosity-sdk-python/learnosity_sdk/request/init.py:15: DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal in a future version. Use timezone-aware objects to represent datetimes in UTC: datetime.datetime.now(datetime.UTC).
    now = datetime.datetime.utcnow()

Reference

• The fix has been available as early as 3.6 so this will not cause breaking changes to anyone on a supported version of Python or even slightly behind
  • https://docs.python.org/3.6/library/datetime.html#datetime.datetime.now
  • https://docs.python.org/3.6/library/datetime.html#datetime.timezone.utc
• Deprecation for datetime.utcnow() was from 3.8
  • https://docs.python.org/3.8/library/datetime.html#datetime.datetime.utcnow

  • Because naive datetime objects are treated by many datetime methods as local times, it is preferred to use aware datetimes to represent times in UTC. As such, the recommended way to create an object representing the current time in UTC is by calling datetime.now(timezone.utc).

[michael-linnane-lrn]

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