Allow Refreshing Token Credentials

[markcowl]

Description of the new feature

When using Connect-AzAccount -AccessToken , there is no mechanism for renewing the token for long-running operations. Allow renewing the access token, either with a new command, or by running Connect-AzAccount with new token values.

[dingmeng-xue]

Let's plan it accordingly.

[VeryEarly]

fixed in #12454