Update jest monorepo to v26

Author: renovate-bot

package.json

@@ -43,7 +43,7 @@
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
     "babel-eslint": "10.1.0",
-    "babel-jest": "25.5.0",
+    "babel-jest": "26.0.1",
     "babel-loader": "8.1.0",
     "babel-plugin-transform-object-rest-spread": "6.26.0",
     "babel-plugin-version-inline": "1.0.0",
@@ -57,7 +57,7 @@
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "6.0.0",
     "image-webpack-loader": "6.0.0",
-    "jest": "25.5.0",
+    "jest": "26.0.1",
     "json-loader": "0.5.7",
     "markdown-it-anchor": "5.3.0",
     "markdown-it-table-of-contents": "0.4.4",