chore(deps): update react monorepo to v19

Author: renovate[bot]

package-lock.json

@@ -12,12 +12,12 @@
   "description": "A comic/manga viewer component for React",
   "devDependencies": {
     "@types/node": "^22.10.2",
-    "@types/react": "^18.3.17",
-    "@types/react-dom": "^18.3.5",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "esbuild-css-modules-plugin": "^3.1.5",
     "next": "^15.1.3",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
     "tsup": "^8.3.5",
     "typescript": "^5.7.2"
   },