chore(deps-dev): bump cypress from 4.12.1 to 7.3.0

Bumps [cypress](https://github.com/cypress-io/cypress) from 4.12.1 to 7.3.0.
- [Release notes](https://github.com/cypress-io/cypress/releases)
- [Changelog](https://github.com/cypress-io/cypress/blob/develop/.releaserc.base.js)
- [Commits](https://github.com/cypress-io/cypress/compare/v4.12.1...v7.3.0)

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

packages/app/package.json

@@ -67,7 +67,7 @@
     "@types/react-dom": "^16.9.8",
     "@types/zen-observable": "^0.8.0",
     "cross-env": "^7.0.0",
-    "cypress": "^4.2.0",
+    "cypress": "^7.3.0",
     "eslint-plugin-cypress": "^2.10.3",
     "start-server-and-test": "^1.10.11"
   },