Bump firebase/php-jwt from 6.8.1 to 7.0.0

Bumps [firebase/php-jwt](https://github.com/firebase/php-jwt) from 6.8.1 to 7.0.0.
- [Release notes](https://github.com/firebase/php-jwt/releases)
- [Changelog](https://github.com/firebase/php-jwt/blob/main/CHANGELOG.md)
- [Commits](googleapis/php-jwt@v6.8.1...v7.0.0)

---
updated-dependencies:
- dependency-name: firebase/php-jwt
  dependency-version: 7.0.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "firebase/php-jwt": "^6.8",
+        "firebase/php-jwt": "^7.0",
         "vlucas/phpdotenv": "^5.5",
         "webonyx/graphql-php": "^15.5",
         "phpunit/phpunit": "^10.2",