Credentials are handled from VSCode itself, rather than the Extension.  There should be a little Security menu on the side bar just above Settings

Using this you should be able to clear any saved credentials on a server by server basis, and force a new passworded login

With it getting dark here before 4pm, we've got lots of lights up

And a dinosaur guarding the entryway

Acting as an SME was a fantastic experience.   Myself and my paired expert were able to really dive into some interesting avenues of discussion, combining our different approaches and experiences, and distilling them down to a common understanding.  It was a truly valuable exercise to expand and reinforce my knowledge of the great products we offer