Update dependency supertest to v4 (#9497)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -366,7 +366,7 @@
     "stylelint": "^13.0.0",
     "stylelint-config-standard": "^20.0.0",
     "stylelint-config-suitcss": "^14.0.0",
-    "supertest": "^3.0.0",
+    "supertest": "^4.0.0",
     "svg-url-loader": "^6.0.0",
     "terser-webpack-plugin": "^3.0.0",
     "tmp": "^0.2.0",

yarn.lock

@@ -14781,10 +14781,10 @@ superagent@^3.8.3:
     qs "^6.5.1"
     readable-stream "^2.3.5"
 
-supertest@^3.0.0:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.4.2.tgz#bad7de2e43d60d27c8caeb8ab34a67c8a5f71aad"
-  integrity sha512-WZWbwceHUo2P36RoEIdXvmqfs47idNNZjCuJOqDz6rvtkk8ym56aU5oglORCpPeXGxT7l9rkJ41+O1lffQXYSA==
+supertest@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/supertest/-/supertest-4.0.2.tgz#c2234dbdd6dc79b6f15b99c8d6577b90e4ce3f36"
+  integrity sha512-1BAbvrOZsGA3YTCWqbmh14L0YEq0EGICX/nBnfkfVJn7SrxQV1I3pMYjSzG9y/7ZU2V9dWqyqk2POwxlb09duQ==
   dependencies:
     methods "^1.1.2"
     superagent "^3.8.3"