fix: vulnerable deps (#2949)

Author: alexander-akait

package-lock.json

@@ -56,11 +56,11 @@
     "p-retry": "^3.0.1",
     "portfinder": "^1.0.26",
     "schema-utils": "^1.0.0",
-    "selfsigned": "^1.10.7",
+    "selfsigned": "^1.10.8",
     "semver": "^6.3.0",
     "serve-index": "^1.9.1",
-    "sockjs": "0.3.20",
-    "sockjs-client": "1.4.0",
+    "sockjs": "^0.3.21",
+    "sockjs-client": "^1.5.0",
     "spdy": "^4.0.2",
     "strip-ansi": "^3.0.1",
     "supports-color": "^6.1.0",