chore(docs): Add Training Operator 1.9.1 Changelog

[andreyvelich]

This is changelog for Kubeflow Training Operator v1.9.1

If that looks good, I will create GitHub release.

/cc @kubeflow/wg-training-leads @kubeflow/release-team @astefanutti @Electronic-Waste @saileshd1402

[google-oss-prow]

@andreyvelich: GitHub didn't allow me to request PR reviews from the following users: kubeflow/release-team.

Note that only kubeflow members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

This is changelog for Kubeflow Training Operator v1.9.1

If that looks good, I will create GitHub release.

/cc @kubeflow/wg-training-leads @kubeflow/release-team @astefanutti @Electronic-Waste

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[astefanutti]

LGTM, thanks!

[google-oss-prow]

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[coveralls]

Pull Request Test Coverage Report for Build 14135708240

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 14044728085:	0.0%
Covered Lines:	85
Relevant Lines:	85

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💛 - Coveralls