Bump cypress from 6.9.1 to 7.1.0 in /packages/webapp

Bumps [cypress](https://github.com/cypress-io/cypress) from 6.9.1 to 7.1.0.
- [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/commits/v7.1.0)

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

packages/webapp/package.json

@@ -35,7 +35,7 @@
     "skynet-js": "3.0.0"
   },
   "devDependencies": {
-    "cypress": "^6.6.0",
+    "cypress": "^7.1.0",
     "cypress-file-upload": "5.0.3",
     "eslint": "7.22.0",
     "eslint-config-prettier": "8.1.0",