Fix typo on "occured" to "occurred"

examples/with-stripe-typescript/components/ElementsForm.tsx

@@ -112,7 +112,7 @@ const ElementsForm = () => {
 
     if (error) {
       setPayment({ status: 'error' })
-      setErrorMessage(error.message ?? 'An unknown error occured')
+      setErrorMessage(error.message ?? 'An unknown error occurred')
     } else if (paymentIntent) {
       setPayment(paymentIntent)
     }
@@ -148,7 +148,9 @@ const ElementsForm = () => {
               onChange={(e) => {
                 if (e.error) {
                   setPayment({ status: 'error' })
-                  setErrorMessage(e.error.message ?? 'An unknown error occured')
+                  setErrorMessage(
+                    e.error.message ?? 'An unknown error occurred'
+                  )
                 }
               }}
             />

test/integration/production/pages/error-in-browser-render.js

@@ -2,7 +2,7 @@ import React from 'react'
 export default class ErrorInRenderPage extends React.Component {
   render() {
     if (typeof window !== 'undefined') {
-      throw new Error('An Expected error occured')
+      throw new Error('An Expected error occurred')
     }
     return <div />
   }

test/integration/production/pages/error-in-ssr-render.js

@@ -6,6 +6,6 @@ export default class ErrorInRenderPage extends React.Component {
 
   // eslint-disable-next-line react/require-render-return
   render() {
-    throw new Error('An Expected error occured')
+    throw new Error('An Expected error occurred')
   }
 }