feat: Update auth screens (#11108)

# Pull Request Template

## Description

This PR includes style updates for auth screens

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

app/javascript/v3/components/Divider/SimpleDivider.vue

@@ -12,12 +12,10 @@ export default {
 <template>
   <div class="relative my-4 section-separator">
     <div class="absolute inset-0 flex items-center" aria-hidden="true">
-      <div class="w-full border-t border-slate-200 dark:border-slate-600" />
+      <div class="w-full border-t border-n-strong" />
     </div>
     <div v-if="label" class="relative flex justify-center text-sm">
-      <span
-        class="bg-white dark:bg-slate-800 px-2 text-slate-500 dark:text-white"
-      >
+      <span class="bg-white dark:bg-n-solid-2 px-2 text-n-slate-10">
         {{ label }}
       </span>
     </div>