Identify workflows that reference or are triggered by other repos

When migrating repos from ADO to GitHub, ADO pipelines that reference other ADO repos or are triggered by other repos will need references updated.

Add a utility to find and list all instances where pipelines reference other repos.

Notes:
* Search for ``` path:*.yml AND repo OR trigger ```
* Search API reference: https://learn.microsoft.com/en-us/rest/api/azure/devops/search/code-search-results/fetch-code-search-results?view=azure-devops-rest-7.1&tabs=HTTP