feat: add containerd metrics to pod slo tests

[rbtr]

to capture granular CNI invocation latency as measured by containerd

containerd metric collection can be seen occuring here: https://dev.azure.com/akstelescope/telescope/_build/results?buildId=31371&view=logs&j=a0a6cafc-0d48-509a-6124-e27fd97b3757&t=d5aa99fe-d00f-5192-5a67-b1b4a85db24b&l=3898

[Copilot]

Pull Request Overview

This PR adds containerd metrics collection capability to CNI benchmark tests to capture granular CNI invocation latency as measured by containerd. The change enables detailed performance monitoring of container runtime network operations.

Key changes:

• Enables containerd metrics scraping alongside existing kubelet metrics
• Updates clusterloader2 image version to support new containerd monitoring features
• Adds new measurement configuration for containerd network operation metrics

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File	Description
pipelines/perf-eval/CNI Benchmark/cni-ab-testing.yml	Enables scrape_containerd: True for all test configurations and updates clusterloader2 image version
modules/python/clusterloader2/cri/cri.py	Adds scrape_containerd parameter throughout the pipeline functions and command-line interface
modules/python/clusterloader2/cri/config/containerd-measurement.yaml	New measurement configuration file defining Prometheus queries for containerd CNI metrics
modules/python/clusterloader2/cri/config/config.yaml	Integrates containerd measurements into the test configuration workflow