Add Chronus CI workflow and update changelog docs to reference azpysdk changelog#46585

Copilot wants to merge 4 commits intomainAzure/azure-sdk-for-python:mainfrom

copilot/update-changelog-for-azpysdkAzure/azure-sdk-for-python:copilot/update-changelog-for-azpysdkCopy head branch name to clipboard