Update dependency request-promise to v4.2.6

Author: renovate[bot]

package-lock.json

@@ -22,7 +22,7 @@
   "devDependencies": {
     "@types/node": "10.17.51",
     "@types/puppeteer": "5.4.0",
-    "@types/request-promise": "4.1.46",
+    "@types/request-promise": "4.1.51",
     "gts": "3.1.0",
     "ts-node": "8.10.2",
     "typescript": "4.1.2"
@@ -32,6 +32,6 @@
     "puppeteer-extra": "^3.1.18",
     "puppeteer-extra-plugin-stealth": "^2.7.8",
     "request": "2.88.2",
-    "request-promise": "4.2.5"
+    "request-promise": "4.2.6"
   }
 }