Bump webklex/laravel-imap from 4.1.2 to 5.3.0

Bumps [webklex/laravel-imap](https://github.com/Webklex/laravel-imap) from 4.1.2 to 5.3.0.
- [Release notes](https://github.com/Webklex/laravel-imap/releases)
- [Changelog](https://github.com/Webklex/laravel-imap/blob/master/CHANGELOG.md)
- [Commits](Webklex/laravel-imap@4.1.2...5.3.0)

---
updated-dependencies:
- dependency-name: webklex/laravel-imap
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -39,7 +39,7 @@
         "vedmant/laravel-feed-reader": "^1.6",
         "voku/stop-words": "^2.0",
         "wamania/php-stemmer": "^3.0",
-        "webklex/laravel-imap": "^4.1",
+        "webklex/laravel-imap": "^5.3",
         "yethee/tiktoken": "^0.4.0"
     },
     "require-dev": {