chore(deps): update dependency jest to v26

Author: renovate-bot

package.json

@@ -53,7 +53,7 @@
     "@types/jest": "24.0.24",
     "cz-conventional-changelog": "2.1.0",
     "gh-pages": "2.0.1",
-    "jest": "24.7.1",
+    "jest": "26.6.3",
     "npm-run-all": "4.1.5",
     "prettier": "1.17.0",
     "semantic-release": "15.13.3",