chore: update Node.js

- Update Node.js to 22
- Update the pnpm version to 9.15.4

.nvmrc

@@ -1 +1 @@
-v20
+22

package.json

@@ -8,10 +8,10 @@
   ],
   "private": true,
   "license": "EUPL-1.2",
-  "packageManager": "pnpm@9.12.2+sha512.22721b3a11f81661ae1ec68ce1a7b879425a1ca5b991c975b074ac220b187ce56c708fe5db69f4c962c989452eee76c82877f4ee80f474cebd61ee13461b6228",
+  "packageManager": "pnpm@9.15.4+sha512.b2dc20e2fc72b3e18848459b37359a32064663e5627a51e4c74b2c29dd8e8e0491483c3abb40789cfd578bf362fb6ba8261b05f0387d76792ed6e23ea3b1b6a0",
   "engines": {
     "//": "Update @types/node when updating the node version here",
-    "node": "^20",
+    "node": "^22",
     "pnpm": "^9"
   },
   "repository": {
@@ -113,7 +113,7 @@
     "@nl-design-system/eslint-config": "0.0.1",
     "@persoonlijke-regelingen-assistent/components-react": "1.0.0-alpha.152",
     "@playwright/test": "1.47.1",
-    "@types/node": "20.14.14",
+    "@types/node": "22.10.7",
     "@types/react": "18.3.12",
     "@types/react-dom": "18.3.1",
     "@utrecht/component-library-css": "4.2.0",