So one fine day, I get an error message, trying to push to a remote repo:

and in the Git Log can be found:

remote: The `<redacted>' organization has enabled or enforced SAML SSO. To access
remote: this repository, you must re-authorize the OAuth Application `GitHub for VSCode`.

Attempt #1: Search result

Search results for GitHub for VSCode point to:

...but how do I sign back in now!? [My current window] already has repos linked, so the options below are missing:

Answer: new window... duh!