build(deps): Bump laravel/horizon from 5.21.0 to 5.21.1

Bumps [laravel/horizon](https://github.com/laravel/horizon) from 5.21.0 to 5.21.1.
- [Release notes](https://github.com/laravel/horizon/releases)
- [Changelog](https://github.com/laravel/horizon/blob/5.x/CHANGELOG.md)
- [Commits](https://github.com/laravel/horizon/compare/v5.21.0...v5.21.1)

---
updated-dependencies:
- dependency-name: laravel/horizon
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

composer.lock

@@ -2018,16 +2018,16 @@
         },
         {
             "name": "laravel/horizon",
-            "version": "v5.21.0",
+            "version": "v5.21.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/horizon.git",
-                "reference": "3a1474a398c90d1bf7bc07eff25ef912143452dd"
+                "reference": "ded3632dca7fd66618d5b712b4a0c6c1c77ecb3f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/horizon/zipball/3a1474a398c90d1bf7bc07eff25ef912143452dd",
+                "url": "https://api.github.com/repos/laravel/horizon/zipball/ded3632dca7fd66618d5b712b4a0c6c1c77ecb3f",
-                "reference": "3a1474a398c90d1bf7bc07eff25ef912143452dd",
+                "reference": "ded3632dca7fd66618d5b712b4a0c6c1c77ecb3f",
                 "shasum": ""
             },
             "require": {
@@ -2090,9 +2090,9 @@
             ],
             "support": {
                 "issues": "https://github.com/laravel/horizon/issues",
-                "source": "https://github.com/laravel/horizon/tree/v5.21.0"
+                "source": "https://github.com/laravel/horizon/tree/v5.21.1"
             },
-            "time": "2023-09-18T16:00:51+00:00"
+            "time": "2023-09-19T22:42:19+00:00"
         },
         {
             "name": "laravel/sanctum",