chore(security): fix high-severity vulnerability in node-forge

- Added NPM override to force `node-forge` version 1.3.3.
- Resolves high-severity ASN.1 vulnerability in `zgapdfsigner` dependency chain.

package.json

@@ -130,5 +130,8 @@
     "*.{json,md,html,css}": [
       "prettier --write"
     ]
+  },
+  "overrides": {
+    "node-forge": "^1.3.3"
   }
 }