Dev container: use node 22, don't install via apt (#8226)

Author: cknitt

.devcontainer/devcontainer.json

@@ -14,7 +14,8 @@
       "version": "latest"
     },
     "ghcr.io/devcontainers/features/node:1": {
-      "version": "20"
+      "version": "22",
+      "installYarnUsingApt": false
     }
   },
   "customizations": {