Fix unexpected token breaking builds
What
A typo while refactoring broke builds, this PR fixes it.
Why
From a recent Build
action step output:
/home/runner/work/misskey/misskey/packages/client/src/pages/admin/bot-protection.vue
57 | const MkCaptcha = defineAsyncComponent(() => import('@/components/captcha.vue'));
58 |
59 | let provider: = $ref(null);
| ^