Replace "cocur/slugify" with Symfony String

Author: stloyd

composer.json

@@ -46,7 +46,6 @@
         "webmozart/glob": "^3.0 || ^4.0"
     },
     "require-dev": {
-        "cocur/slugify": "^4.5",
         "composer/semver": "^3.4",
         "fakerphp/faker": "^1.23",
         "fig/log-test": "^1.1",

composer.lock

@@ -28,9 +28,9 @@
         "twig/markdown-extra": "^3.11",
         "twig/extra-bundle": "^3.8",
         "league/commonmark": "^2.4",
-        "cocur/slugify": "^4.5",
         "presta/sitemap-bundle": "^4.1",
-        "symfony/mime": "^7.2"
+        "symfony/mime": "^7.2",
+        "symfony/string": "^7.3"
     },
     "require-dev": {
         "symfony/web-profiler-bundle": "^6.4",