(v2) Replace deprecated datetime.datetime.utcnow()

[kajinamit]

Changes proposed in this pull request:

• Replace datetime.datetime.utcnow, which was deprecated in Python 3.12[1]

[1] https://docs.python.org/3.12/library/datetime.html#datetime.datetime.utcnow

[chrisinmtown]

Please approve a run of the GitHub workflow @Ruwann @RobbeSneyders thanks in advance

[chrisinmtown]

@kajinamit just FWIW you might want to add (v2) as a prefix to the commit message here, since this is specifically for the old V2 branch, to avoid confusion for anyone looking thru the list of open PRs.

[chrisinmtown]

Thanks @kajinamit now we wait for the committers to approve a run of the GitHub workflow. @Ruwann @RobbeSneyders would you please be so kind?