chore(deps): pin dependencies (#377)

Co-authored-by: Renovate Bot <[email protected]>

package.json

@@ -73,17 +73,17 @@
         "@types/jsonpath": "0.2.0",
         "@types/shortid": "0.0.29",
         "@types/stream-buffers": "3.0.3",
-        "@types/supertest": "^2.0.8",
+        "@types/supertest": "2.0.8",
         "@types/yargs": "15.0.4",
         "@types/yauzl-promise": "2.1.0",
         "@types/yazl": "2.4.2",
         "axios-mock-adapter": "1.17.0",
         "body-parser": "1.19.0",
         "express": "4.17.1",
         "express-fileupload": "1.1.6",
-        "i18next": "^19.1.0",
-        "i18next-express-middleware": "^1.9.1",
-        "i18next-node-fs-backend": "^2.1.3",
+        "i18next": "19.1.0",
+        "i18next-express-middleware": "1.9.1",
+        "i18next-node-fs-backend": "2.1.3",
         "jest": "25.1.0",
         "mockdate": "2.0.5",
         "prettier": "1.19.1",
@@ -93,7 +93,7 @@
         "shortid": "2.2.15",
         "source-map-support": "0.5.16",
         "stream-mock": "2.0.5",
-        "supertest": "^4.0.2",
+        "supertest": "4.0.2",
         "ts-jest": "25.2.1",
         "ts-node": "8.6.2",
         "tslint": "5.20.1",