Update dependency jest to v26.6.1

Author: renovate-bot

Diff for: package.json

@@ -39,7 +39,7 @@
     "eslint-plugin-jsx-a11y": "6.2.3",
     "eslint-plugin-prettier": "3.1.3",
     "husky": "4.2.5",
-    "jest": "26.0.1",
+    "jest": "26.6.1",
     "lint-staged": "10.2.2",
     "prettier": "2.0.5",
     "typescript": "3.8.3"