Update firebase/php-jwt requirement from ^5.3 to ^5.3 || ^6.0

Updates the requirements on [firebase/php-jwt](https://github.com/firebase/php-jwt) to permit the latest version.
- [Release notes](https://github.com/firebase/php-jwt/releases)
- [Changelog](https://github.com/firebase/php-jwt/blob/main/CHANGELOG.md)
- [Commits](firebase/php-jwt@v5.3.0...v6.10.0)

---
updated-dependencies:
- dependency-name: firebase/php-jwt
  dependency-type: direct:production
...

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

composer.json

@@ -21,7 +21,7 @@
         "laravel/ui": "^3.0|^2.0|^4.0",
         "lcobucci/jwt": "^4.0",
         "socialiteproviders/manager": "~4.0",
-        "firebase/php-jwt": "^5.3"
+        "firebase/php-jwt": "^5.3 || ^6.0"
     },
     "require-dev": {
         "orchestra/testbench": "~9.0",