chore(deps): update dependency simshaun/recurr to v6

| datasource | package         | from  | to    |
| ---------- | --------------- | ----- | ----- |
| packagist  | simshaun/recurr | 5.0.3 | 6.0.0 |

Author: renovate[bot]

composer.json

@@ -15,7 +15,7 @@
 	"require": {
 		"php": "^8.1",
 		"psr/http-message": "^1.0 || ^2.0",
-		"simshaun/recurr": "^5.0",
+		"simshaun/recurr": "^5.0 || ^6.0",
 		"typo3/cms-backend": "^12.0 || ^13.0",
 		"typo3/cms-core": "^12.0 || ^13.0",
 		"typo3/cms-dashboard": "^12.0 || ^13.0",