chore(deps): bump symfony/mailgun-mailer from 6.3.0 to 6.3.2

Bumps [symfony/mailgun-mailer](https://github.com/symfony/mailgun-mailer) from 6.3.0 to 6.3.2.
- [Release notes](https://github.com/symfony/mailgun-mailer/releases)
- [Changelog](https://github.com/symfony/mailgun-mailer/blob/6.3/CHANGELOG.md)
- [Commits](https://github.com/symfony/mailgun-mailer/compare/v6.3.0...v6.3.2)

---
updated-dependencies:
- dependency-name: symfony/mailgun-mailer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -106,7 +106,7 @@
     "spatie/laravel-ignition": "^2",
     "spatie/period": "^2.4",
     "symfony/http-client": "^6.2",
-    "symfony/mailgun-mailer": "^6.2",
+    "symfony/mailgun-mailer": "^6.3",
     "therobfonz/laravel-mandrill-driver": "^5.0"
   },
   "require-dev": {