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/Reference/BoardReferenceProvider.php

@@ -97,7 +97,7 @@ class BoardReferenceProvider implements IReferenceProvider {
 			preg_match('/^' . preg_quote($startIndex, '/') . '(?:\/#!?)?\/board\/([0-9]+)$/', $url, $matches);
 		}
 		if ($matches && count($matches) > 1) {
-			return (int) $matches[1];
+			return (int)$matches[1];
 		}
 
 		return null;
@@ -106,7 +106,7 @@ class BoardReferenceProvider implements IReferenceProvider {
 	public function getCachePrefix(string $referenceId): string {
 		$boardId = $this->getBoardId($referenceId);
 		if ($boardId !== null) {
-			return (string) $boardId;
+			return (string)$boardId;
 		}
 
 		return $referenceId;