joshs edits on Kubeflow '23 user study blog post

[jbottum]

suggested several edits to the blog post

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[jbottum]

@annajung my attempt to add some of my suggested edits to the user survey blog post

[annajung]

once CLA is signed, lgtm

[annajung]

closing in favor of #137

/close

[google-oss-prow]

@annajung: Closed this PR.

In response to this:

closing in favor of #137

/close

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