Update with items from July 2023 Flash Gala

### Weapons
- Beach Grynoth
- Splash Howl

### Characters
- Vaseraga (Summer)
- Enyo (Summer)

components/about/UpdatesPage/index.tsx

@@ -57,6 +57,15 @@ const UpdatesPage = () => {
   return (
     <div className={classes}>
       <h1>{common('about.segmented_control.updates')}</h1>
+      <ContentUpdate
+        version="2023-07L"
+        dateString="2023/07/15"
+        event="events.flash"
+        newItems={{
+          character: ['3040470000', '3040471000'],
+          weapon: ['1040316300', '1040516100'],
+        }}
+      />
       <ContentUpdate
         version="2023-06L"
         dateString="2023/06/29"