Update react monorepo to v19

package.json

@@ -44,8 +44,8 @@
     "@types/react": "^19.2.12",
     "@types/react-dom": "^19.2.3",
     "prettier": "^3.8.1",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-router-dom": "^6.30.3",
     "styled-components": "^6.3.8",
     "typescript": "^5.9.3"

playground/package.json

@@ -23,16 +23,16 @@
     "better-sqlite3": "12.6.2",
     "fs-extra": "^11.0.0",
     "mime-types": "^3.0.0",
-    "react": "^18.0.0",
-    "react-dom": "^18.0.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "react-router-dom": "^6.0.0",
     "strapi-plugin-checkbox-list": "file:.yalc/strapi-plugin-checkbox-list",
     "styled-components": "^6.0.0"
   },
   "devDependencies": {
     "@types/node": "^24.0.0",
-    "@types/react": "^18",
-    "@types/react-dom": "^18",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "jest": "^30.0.0",
     "supertest": "^7.0.0",
     "typescript": "^5"