chore: update composer dependencies

- composer update (PHPStan 2.1.46 → 2.1.54, rector 2.4.0 → 2.4.2,
  symfony components, ergebnis tooling, etc.)
- Regenerate config/reference.php (Symfony component updates)
- Regenerate public/api-spec-v1.{yaml,json} (status field number → integer)
- Fix pre-existing PHPDoc typo in GitRepoRepository
  (<GitTagRepository> → <GitRepo>) caught by updated PHPStan

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: turegjorup

CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Update composer dependencies
+- Fix PHPDoc typo in `GitRepoRepository` (`GitTagRepository` → `GitRepo`) caught
+  by updated PHPStan
+- Regenerate API spec (`number` → `integer` for status fields)
+
 ## [1.10.0] - 2026-04-23
 
 - [#68](https://github.com/itk-dev/devops_itksites/pull/68)