chore(deps): update dependency jest to v26

Author: renovate-bot

package.json

@@ -35,7 +35,7 @@
     "friendly-errors-webpack-plugin": "^1.7.0",
     "html-webpack-plugin": "^3.2.0",
     "husky": "^3.1.0",
-    "jest": "^24.9.0",
+    "jest": "^26.6.3",
     "lerna": "^3.22.1",
     "lerna-changelog": "^0.8.3",
     "less": "^3.12.2",