Bump @nextcloud/eslint-config from 7.0.2 to 8.0.0 in /tests

Bumps [@nextcloud/eslint-config](https://github.com/nextcloud/eslint-config) from 7.0.2 to 8.0.0.
- [Release notes](https://github.com/nextcloud/eslint-config/releases)
- [Changelog](https://github.com/nextcloud/eslint-config/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/eslint-config@v7.0.2...v8.0.0)

---
updated-dependencies:
- dependency-name: "@nextcloud/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

tests/package.json

@@ -19,7 +19,7 @@
 	"devDependencies": {
 		"@nextcloud/babel-config": "^1.0.0",
 		"@nextcloud/browserslist-config": "^2.2.0",
-		"@nextcloud/eslint-config": "^7.0.2",
+		"@nextcloud/eslint-config": "^8.0.0",
 		"@nextcloud/stylelint-config": "^2.1.2"
 	}
 }