[Fix] manifest for TensorFlow image to show proper Numpy package version

[jstourac]

This partially reverts the #742 to fix the expected version in the final image.

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• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[jiridanek]

/lgtm

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[jstourac]

/approved
/override ci/prow/images

[openshift-ci]

@jstourac: Overrode contexts on behalf of jstourac: ci/prow/images

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[jstourac]

/override pytest-tests

[openshift-ci]

@jstourac: Overrode contexts on behalf of jstourac: pytest-tests

In response to this:

/override pytest-tests

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