chore(deps): update dependency jest to v26

Author: renovate-bot

package.json

@@ -46,7 +46,7 @@
     "typescript": "^3.2.4",
     "typedoc": "^0.15.0",
     "ts-jest": "^24.0.2",
-    "jest": "^24.8.0",
+    "jest": "^26.0.0",
     "jest-extended": "^0.11.2",
     "regenerator-runtime": "^0.13.0",
     "npm-check-updates": "^3.1.0",