Use datetime.now with timezone, instead of datetime.utcnow

[mdujava]

When used with python3.12, lots of deprication warnings are shown:

[...]site-packages/openshift_client/context.py:328: 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).
    self.timeout_datetime = datetime.utcnow() + timedelta(seconds=seconds)

https://docs.python.org/3/library/datetime.html#datetime.datetime.utcnow

[openshift-ci]

Hi @mdujava. Thanks for your PR.

I'm waiting for a openshift member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[bradmwilliams]

/ok-to-test

[bradmwilliams]

@mdujava You'll need to run ansible/rebuild_module.sh and include changes in this PR to pass CI

[bradmwilliams]

/unlgtm

[bradmwilliams]

/hold

[mdujava]

/retest

[openshift-ci]

@mdujava: all tests passed!

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[bradmwilliams]

/unhold
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bradmwilliams, mdujava

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