v1.9.1 release

This is the Training Operator v1.9.1 release.

Breaking Changes

• Update Manifest Images to GHCR (#2544 by @saileshd1402)
• Push images to GHCR for release-1.9 (#2491 by @saileshd1402)

New Features

• Add volume and volume mounts arguments to TrainingClient.create_job API (#2449 by @astefanutti)
• Add configurable QPS and burst settings for kube API client (#2411 by @ronk21runai)

Bug Fixes

• fix(ci): Change publish dir from training to trainer (#2546 by @Electronic-Waste)
• fix: fix typos in script comments. (#2465 by @IRONICBo)
• fix: adds jaxjobs to the kubeflow-training-roles.yaml ClusterRole (#2417 by @DnPlas)
• [release-1.9] Rename paddlepaddle_defaults.go file name (#2400 by @ChristianZaccaria)