Material UI v5: rename Avatar's circle variant to circular

Proprietary

Renames the variant value, the circle class and its selectors. Ported from the MUI codemod v5.0.0/avatar-circle-circular.

org.openrewrite.react.mui.v5.avatar-circle-circular
mod run . --recipe=org.openrewrite.react.mui.v5.avatar-circle-circular

Install it once from Recipe actions, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.