fix(TS): TypeScript types for onError (#70)

onError is passed the whole "info" object from componentDidCatch and not just the componentStack. The README has the correct types in an example, but the type definitions are incorrect.

Author: bespokebob

index.d.ts

@@ -8,23 +8,23 @@ export interface FallbackProps {
 export interface ErrorBoundaryPropsWithComponent {
   onResetKeysChange?: (prevResetKeys: Array<any>, resetKeys: Array<any>) => void
   onReset?: () => void
-  onError?: (error: Error, componentStack: string) => void
+  onError?: (error: Error, info: { componentStack: string }) => void
   resetKeys?: Array<any>
   FallbackComponent: React.ComponentType<FallbackProps>
 }
 
 export interface ErrorBoundaryPropsWithRender {
   onResetKeysChange?: (prevResetKeys: Array<any>, resetKeys: Array<any>) => void
   onReset?: () => void
-  onError?: (error: Error, componentStack: string) => void
+  onError?: (error: Error, info: { componentStack: string }) => void
   resetKeys?: Array<any>
   fallbackRender: (props: FallbackProps) => React.ReactElement<any, any> | null
 }
 
 export interface ErrorBoundaryPropsWithFallback {
   onResetKeysChange?: (prevResetKeys: Array<any>, resetKeys: Array<any>) => void
   onReset?: () => void
-  onError?: (error: Error, componentStack: string) => void
+  onError?: (error: Error, info: { componentStack: string }) => void
   resetKeys?: Array<any>
   fallback: React.ReactElement<any, any> | null
 }