build: supertest@6.1.3

Author: dougwilson

package.json

@@ -45,7 +45,7 @@
     "eslint-plugin-standard": "4.1.0",
     "mocha": "8.4.0",
     "rimraf": "3.0.2",
-    "supertest": "4.0.2",
+    "supertest": "6.1.3",
     "tree-kill": "1.2.2",
     "uid-safe": "2.1.5",
     "validate-npm-package-name": "3.0.0"