build(deps-dev): bump detox from 19.13.0 to 20.20.3 in /example

Bumps [detox](https://github.com/wix/Detox) from 19.13.0 to 20.20.3.
- [Release notes](https://github.com/wix/Detox/releases)
- [Commits](wix/Detox@19.13.0...20.20.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

example/package.json

@@ -46,7 +46,7 @@
     "@types/react": "^17.0.0",
     "@types/react-native": "^0.66.1",
     "babel-plugin-module-resolver": "^4.1.0",
-    "detox": "^19.1.0",
+    "detox": "^20.20.3",
     "glob-to-regexp": "^0.4.0",
     "jest": "^27.1.0",
     "jest-circus": "^27.1.1",