'IEnumerable<KeyValuePair<string, string>>' does not contain a definition for 'Append' and no accessible extension method 'Append' accepting a first argument of type 'IEnumerable<KeyValuePair<string, string>>' could be found (are you missing a using directive or an assembly reference?)

'IEnumerable<KeyValuePair<string, string>>' does not contain a definition for 'Append' and no accessible extension method 'Append' accepting a first argument of type 'IEnumerable<KeyValuePair<string, string>>' could be found (are you missing a using directive or an assembly reference?)

Process completed with exit code 1.

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

'TimeoutAttribute' is obsolete: '.NET No longer supports aborting threads as it is not a safe thing to do. Update your tests to use CancelAfterAttribute instead'