* Use Azure cli or PowerShell credentials for devops and oss service
* Move alias caching into GitHubToAADConverter and update pipelines
* Stop retrying on 404s
* Use new app ID for OSS portal
* Skip tests for notification tool
* Introduced codeowner-extractor.
* Refactor using implicit principal and vault based config (#3751)
* Refactor using implicit principal and vault based config
* Cleanup logging and skipping logic in Processor. Use bulk github user mapping api.
* Avoid using arrays with IConfiguration
* Improve logging in GitHubToAADConverter and pipeline owner extractor
Co-authored-by: Nicholi Harris <t-nharris@microsoft.com>
Co-authored-by: Patrick Hallisey <pahallis@microsoft.com>