chore(deps): update jest monorepo to v26

Author: renovate-bot

package.json

@@ -41,7 +41,7 @@
     "@babel/polyfill": "^7.10.4",
     "@testing-library/react": "^10.2.1",
     "autoprefixer": "9.6.0",
-    "babel-jest": "24.9.0",
+    "babel-jest": "26.2.2",
     "babel-loader": "^8.1.0",
     "babel-preset-cozy-app": "^1.9.0",
     "bundlesize": "0.18.0",
@@ -60,7 +60,7 @@
     "file-loader": "2.0.0",
     "foreman": "3.0.1",
     "identity-obj-proxy": "3.0.0",
-    "jest": "24.9.0",
+    "jest": "26.2.2",
     "json-loader": "0.5.7",
     "mini-css-extract-plugin": "0.8.0",
     "my-react": "npm:react@16.13.1",