Fix(datastore): Correct inverted log messages in podResyncAll

[fyuan1316]

What type of PR is this?

/kind bug

What this PR does / why we need it:

This PR corrects a small logging bug where the messages for Pod update/creation and Pod existence were swapped.

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

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[k8s-ci-robot]

Welcome @fyuan1316!

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[k8s-ci-robot]

Hi @fyuan1316. Thanks for your PR.

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[nirrozenbaum]

/lgtm
/approve

Thanks for catching this :)

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fyuan1316, nirrozenbaum

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• OWNERS [nirrozenbaum]

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[nirrozenbaum]

@fyuan1316 congrats of your first PR to Inference Gateway!

[fyuan1316]

@nirrozenbaum
Thanks so much for the review and for merging the PR! It's great to be able to contribute. 😄