per Chris Mann
This may be a symptom of conditional access or multi-factor authentication issues. Looking at the logs files provided I do not see any errors which should cause the issue you are seeing. However if the issue is MFA/CA related it may show up with this kind of behavior.
If you can try the following steps to sign in and let me know if they work or not.
To use this flow you may need a newer version of visual studio. 16.6+
- Sign out of visual studio
- Sign in again
- Go to the publish step.