build(deps-dev): bump laravel/telescope from 5.20.0 to 5.21.0

Bumps [laravel/telescope](https://github.com/laravel/telescope) from 5.20.0 to 5.21.0.
- [Release notes](https://github.com/laravel/telescope/releases)
- [Changelog](https://github.com/laravel/telescope/blob/5.x/CHANGELOG.md)
- [Commits](laravel/telescope@v5.20.0...v5.21.0)

---
updated-dependencies:
- dependency-name: laravel/telescope
  dependency-version: 5.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

composer.json

@@ -40,7 +40,7 @@
         "larastan/larastan": "^3.10",
         "laravel/boost": "^2.4",
         "laravel/sail": "^1.63",
-        "laravel/telescope": "^5.20",
+        "laravel/telescope": "^5.21",
         "mockery/mockery": "^1.6",
         "nunomaduro/collision": "^8.9",
         "pestphp/pest": "^4.7",