Update dependency supertest to v6.3.3

Author: renovate[bot]

package.json

@@ -30,6 +30,6 @@
     "saucelabs": "7.2.0",
     "selenium-webdriver": "4.6.1",
     "sinon": "15.0.1",
-    "supertest": "6.3.1"
+    "supertest": "6.3.3"
   }
 }