[Release] Katib 0.13 release

[andreyvelich]

This is the track issue for Katib 0.13 release.

We should make the new release before Kubeflow 1.5 to deliver the latest Katib improvements.
We have already merged all required features and bug fixes.
Please let us know if I miss something.

We are planing to cut the first release candidate on January 21st.

/cc @gaocegege @tenzen-y @johnugeorge @kimwnasptd @seong7 @anencore94

/area release
/priority p1

[johnugeorge]

Closing this issue as 0.13 is released