chore(deps): update dependency jest to v26

Author: renovate-bot

package.json

@@ -42,7 +42,7 @@
     "@types/nock": "10.0.3",
     "@types/node": "10.14.22",
     "husky": "3.0.8",
-    "jest": "24.8.0",
+    "jest": "26.4.1",
     "lint-staged": "9.4.1",
     "prettier": "1.18.2",
     "ts-jest": "24.1.0",