Merge pull request #4 from Testausserveri/dependabot/npm_and_yarn/next-15.5.9

Bump next from 15.5.7 to 15.5.9

Author: Eldemarkki

package-lock.json

@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "next": "15.5.7",
+    "next": "15.5.9",
     "react": "^19.2.1",
     "react-dom": "^19.2.1",
     "svg-builder": "^2.0.0",