Prefer errors.Is over == for error comparison

Proprietary

Replace err == ErrFoo with errors.Is(err, ErrFoo) for correct wrapped error handling.

org.openrewrite.golang.codequality.PreferErrorsIsOverEquality

mod run . --recipe=org.openrewrite.golang.codequality.PreferErrorsIsOverEquality

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