feat(sdk): Implement Pipeline Configuration with TTL

[rimolive]

Description of your changes: This PR introduces a new class PipelineConfig in KFP SDK to add pipeline-specific configurations with the first one: Pipeline TTL.

Testing instructions

SDK

• Create a Python virtualenv and install the SDK and IR YAML API packages locally

  $ python -m venv .venv
  $ source .venv/bin/activate
  $ pip install wheel setuptools
  $ pip install -r sdk/python/requirements-dev.txt
  $ pip install -e api/v2alpha1/python
  $ pip install -e sdk/python

• Use the example code to compile

  $ kfp dsl compile --py main.py --output main.yaml

• You should be able to compile and find the following snippet in the main.yaml file:

  ---
  platforms:
  kubernetes:
  pipelineConfig:
    pipelineTtl: 60

Checklist:

• [X] You have signed off your commits
• [X] The title for your pull request (PR) should follow our title convention. Learn more about the pull request title convention used in this repository.

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[VaniHaripriya]

Verified the changes and was able to generate main.yaml with the below fields:

---
platforms:
  kubernetes:
    pipelineConfig:
      pipelineTtl: 60

[rimolive]

Hold this PR until we get full implementation.

/hold