Bump league/route from 4.5.1 to 5.1.2

Bumps [league/route](https://github.com/thephpleague/route) from 4.5.1 to 5.1.2.
- [Release notes](https://github.com/thephpleague/route/releases)
- [Changelog](https://github.com/thephpleague/route/blob/5.x/CHANGELOG.md)
- [Commits](thephpleague/route@4.5.1...5.1.2)

---
updated-dependencies:
- dependency-name: league/route
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

composer.json

@@ -16,7 +16,7 @@
         "guzzlehttp/psr7": "^1.3",
         "hassankhan/config": "^2.1",
         "league/container": "^3.3",
-        "league/route": "^4.3",
+        "league/route": "^5.1",
         "monolog/monolog": "^1.11",
         "slim/psr7": "^1.4",
         "symfony/yaml": "^4.3",