Bump laravel/framework from 9.21.0 to 9.21.4

Bumps [laravel/framework](https://github.com/laravel/framework) from 9.21.0 to 9.21.4.
- [Release notes](https://github.com/laravel/framework/releases)
- [Changelog](https://github.com/laravel/framework/blob/9.x/CHANGELOG.md)
- [Commits](https://github.com/laravel/framework/compare/v9.21.0...v9.21.4)

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

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

composer.lock

@@ -1735,16 +1735,16 @@
         },
         {
             "name": "laravel/framework",
-            "version": "v9.21.0",
+            "version": "v9.21.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/framework.git",
-                "reference": "a8a529d371faaa38bde087aa6171a5b53a6a8760"
+                "reference": "7707d6a16c70da1561bf80964e89b1b94ca78a48"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/framework/zipball/a8a529d371faaa38bde087aa6171a5b53a6a8760",
-                "reference": "a8a529d371faaa38bde087aa6171a5b53a6a8760",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/7707d6a16c70da1561bf80964e89b1b94ca78a48",
+                "reference": "7707d6a16c70da1561bf80964e89b1b94ca78a48",
                 "shasum": ""
             },
             "require": {
@@ -1911,7 +1911,7 @@
                 "issues": "https://github.com/laravel/framework/issues",
                 "source": "https://github.com/laravel/framework"
             },
-            "time": "2022-07-19T14:12:19+00:00"
+            "time": "2022-07-21T13:30:12+00:00"
         },
         {
             "name": "laravel/horizon",