fix: bump testcafe from 2.0.2 to 3.4.0

Bumps [testcafe](https://github.com/DevExpress/testcafe) from 2.0.2 to 3.4.0.
- [Release notes](https://github.com/DevExpress/testcafe/releases)
- [Changelog](https://github.com/DevExpress/testcafe/blob/master/CHANGELOG.md)
- [Commits](DevExpress/testcafe@v2.0.2...v3.4.0)

---
updated-dependencies:
- dependency-name: testcafe
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -73,7 +73,7 @@
     "stylint": "1.5.9",
     "tar": "6.1.12",
     "terser-webpack-plugin": "1.4.5",
-    "testcafe": "2.0.2",
+    "testcafe": "3.4.0",
     "unzipper": "0.10.11",
     "visualreview-client": "git+https://github.com/cozy/VisualReview-node-client.git#v0.0.4",
     "worker-loader": "2.0.0"