fix(packages): fix vulnerabilities in packages.json

Fix vulnerabilities by updating express to v4.21.1

package.json

@@ -58,7 +58,7 @@
     "d3-dsv": "2.0.0",
     "diff": "5.0.0",
     "epub2": "3.0.2",
-    "express": "4.21.0",
+    "express": "4.21.1",
     "form-data": "3.0.0",
     "gpt-3-encoder": "1.1.4",
     "html-to-text": "9.0.5",
@@ -91,5 +91,8 @@
   "repository": {
     "type": "git",
     "url": "https://github.com/Cognigy/Cognigy-CLI"
+  },
+  "overrides": {
+    "cross-spawn": "7.0.5"
   }
 }