Chore(deps-dev): Bump @nextcloud/cypress

Bumps [@nextcloud/cypress](https://github.com/nextcloud/nextcloud-cypress) from 1.0.0-beta.13 to 1.0.0-beta.15.
- [Release notes](https://github.com/nextcloud/nextcloud-cypress/releases)
- [Commits](https://github.com/nextcloud/nextcloud-cypress/compare/v1.0.0-beta.13...v1.0.0-beta.15)

---
updated-dependencies:
- dependency-name: "@nextcloud/cypress"
  dependency-version: 1.0.0-beta.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -75,7 +75,7 @@
   "devDependencies": {
     "@nextcloud/babel-config": "^1.2.0",
     "@nextcloud/browserslist-config": "^3.0.1",
-    "@nextcloud/cypress": "^1.0.0-beta.13",
+    "@nextcloud/cypress": "^1.0.0-beta.15",
     "@nextcloud/eslint-config": "^8.4.2",
     "@nextcloud/stylelint-config": "^3.0.1",
     "@nextcloud/webpack-vue-config": "^6.3.0",