Fix: resolve KFP dependency conflict in knowledge-tuning pipeline

[CathalOConnorRH]

Summary

• Bump kfp and kfp-kubernetes from 2.15.2 to >=2.16.1 in the knowledge-tuning Kubeflow pipeline
• Resolves a pip dependency conflict where kfp-components@main requires kfp>=2.16.1 while the pipeline pinned kfp==2.15.2
• Fixes the failing Validation & Tests CI job (test_venv_builds_cleanly in tests/validation/test_pyproject_toml.py)

Test plan

• Verified locally: pip install --dry-run -e examples/knowledge-tuning/Kubeflow_Pipeline resolves cleanly to kfp-2.16.1, kfp-kubernetes-2.16.1, and kfp-components-1.11.0
• CI Notebook Tests workflow passes

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: e30845a7-6417-4613-b25f-bdfdb3c86cde

📥 Commits

Reviewing files that changed from the base of the PR and between cf7d084 and 1032fa5.

📒 Files selected for processing (2)

• examples/knowledge-tuning/Kubeflow_Pipeline/README.md
• examples/knowledge-tuning/Kubeflow_Pipeline/pyproject.toml

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📝 Walkthrough

Walkthrough

The Kubeflow Pipeline example dependencies are updated to require minimum versions of kfp and kfp-kubernetes at 2.16.1. Both the project configuration and installation documentation reflect this constraint change consistently.

Changes

Kubeflow Pipeline dependency version updates

Layer / File(s)	Summary
Kubeflow Pipeline dependency version constraints examples/knowledge-tuning/Kubeflow_Pipeline/README.md, examples/knowledge-tuning/Kubeflow_Pipeline/pyproject.toml	Installation documentation and project dependencies are updated to require kfp>=2.16.1 and kfp-kubernetes>=2.16.1, replacing prior pinned (==2.15.2) and minimum (>=2.15.2) version constraints.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: updating KFP dependencies to resolve a pip dependency conflict in the knowledge-tuning pipeline.
Description check	✅ Passed	The description is directly related to the changeset, clearly explaining the dependency version bumps and the specific CI issue being resolved.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[szaher]

lgtm