Chore(deps-dev): Bump nextcloud/coding-standard from 1.2.1 to 1.2.3

Bumps [nextcloud/coding-standard](https://github.com/nextcloud/coding-standard) from 1.2.1 to 1.2.3.
- [Release notes](https://github.com/nextcloud/coding-standard/releases)
- [Changelog](https://github.com/nextcloud/coding-standard/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nextcloud/coding-standard/compare/v1.2.1...v1.2.3)

---
updated-dependencies:
- dependency-name: nextcloud/coding-standard
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

lib/Middleware/ExceptionMiddleware.php

@@ -89,7 +89,7 @@ class ExceptionMiddleware extends Middleware {
 			];
 			$this->logger->error($exception->getMessage(), ['exception' => $exception]);
 			if ($debugMode === true) {
-				$response['exception'] = (array) $exception;
+				$response['exception'] = (array)$exception;
 			}
 			return new JSONResponse($response, 500);
 		}