Bump symfony/postmark-mailer from 6.4.0 to 7.0.2

Bumps [symfony/postmark-mailer](https://github.com/symfony/postmark-mailer) from 6.4.0 to 7.0.2.
- [Release notes](https://github.com/symfony/postmark-mailer/releases)
- [Changelog](https://github.com/symfony/postmark-mailer/blob/7.0/CHANGELOG.md)
- [Commits](https://github.com/symfony/postmark-mailer/compare/v6.4.0...v7.0.2)

---
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

@@ -110,7 +110,7 @@
         "sspat/es-query-sanitizer": "^1.0",
         "stechstudio/laravel-zipstream": "^4.13",
         "symfony/http-client": "^7.0",
-        "symfony/postmark-mailer": "^6.0",
+        "symfony/postmark-mailer": "^7.0",
         "symfony/process": "^6.0",
         "vlucas/phpdotenv": "^5.6",
         "voku/simple_html_dom": "^4.8",