fix(overmind): detect circular json structure on stringify

Author: christianalfoni

packages/node_modules/overmind/src/Devtools.ts

@@ -99,6 +99,7 @@ export class Devtools {
         ) {
           if (!safeClassNames.has(value.constructor.name) && !unsafeClassNames.has(value.constructor.name)) {
             try {
+              JSON.stringify(value)
               safeClassNames.add(value.constructor.name)
             } catch {
               unsafeClassNames.add(value.constructor.name)