Fix TYPO3 14 CI test dependencies

Author: Mathis Koblin

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         php: [ '8.2', '8.3', '8.4', '8.5' ]
-        typo3Version: [ 'typo3/cms-core:^12.4', 'typo3/cms-core:^13.4']
+        typo3Version: [ 'typo3/cms-core:^12.4', 'typo3/cms-core:^13.4', 'typo3/cms-core:^14.0']
     steps:
       - name: "Checkout"
         uses: actions/checkout@v4

composer.json

@@ -35,6 +35,7 @@
     "require-dev": {
         "netresearch/rte-ckeditor-image": "^12.0 || ^13.0",
         "phpunit/phpunit": "^10.1 || ^11.0",
+        "typo3/cms-install": "^12.4 || ^13.4 || ^14.0",
         "typo3/testing-framework": "^8.3 || ^9.3"
     },
 	"scripts": {