Bump filament/filament from 4.0.0-beta15 to 4.0.0-beta19

Bumps [filament/filament](https://github.com/filamentphp/panels) from 4.0.0-beta15 to 4.0.0-beta19.
- [Commits](filamentphp/panels@v4.0.0-beta15...v4.0.0-beta19)

---
updated-dependencies:
- dependency-name: filament/filament
  dependency-version: 4.0.0-beta19
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

composer.json

@@ -10,7 +10,7 @@
     "license": "MIT",
     "require": {
         "php": "^8.4",
-        "filament/filament": "4.0.0-beta15",
+        "filament/filament": "4.0.0-beta19",
         "guzzlehttp/guzzle": "^7.8",
         "laravel/framework": "^12.0",
         "laravel/jetstream": "^5.0",