chore: update selfsigned package (#4563)

Author: snitin315

package-lock.json

@@ -67,7 +67,7 @@
     "p-retry": "^4.5.0",
     "rimraf": "^3.0.2",
     "schema-utils": "^4.0.0",
-    "selfsigned": "^2.0.1",
+    "selfsigned": "^2.1.1",
     "serve-index": "^1.9.1",
     "sockjs": "^0.3.24",
     "spdy": "^4.0.2",
@@ -86,6 +86,7 @@
     "@commitlint/config-conventional": "^16.2.1",
     "@types/compression": "^1.7.2",
     "@types/default-gateway": "^3.0.1",
+    "@types/node-forge": "^1.0.4",
     "@types/rimraf": "^3.0.2",
     "@types/sockjs-client": "^1.5.1",
     "@types/trusted-types": "^2.0.2",