Bump symfony/postmark-mailer from 6.4.4 to 7.0.4

Bumps [symfony/postmark-mailer](https://github.com/symfony/postmark-mailer) from 6.4.4 to 7.0.4.
- [Release notes](https://github.com/symfony/postmark-mailer/releases)
- [Changelog](https://github.com/symfony/postmark-mailer/blob/7.0/CHANGELOG.md)
- [Commits](symfony/postmark-mailer@v6.4.4...v7.0.4)

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

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

composer.json

@@ -26,7 +26,7 @@
         "spatie/laravel-login-link": "^1.2",
         "spatie/laravel-mailcoach-mailer": "^1.0",
         "symfony/http-client": "^6.2",
-        "symfony/postmark-mailer": "^6.2",
+        "symfony/postmark-mailer": "^7.0",
         "vinkla/hashids": "^11.0"
     },
     "require-dev": {