Bump laravel/framework from 5.1.46 to 5.4.36

Bumps [laravel/framework](https://github.com/laravel/framework) from 5.1.46 to 5.4.36.
- [Release notes](https://github.com/laravel/framework/releases)
- [Changelog](https://github.com/laravel/framework/blob/8.x/CHANGELOG-8.x.md)
- [Commits](laravel/framework@v5.1.46...v5.4.36)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

composer.json

@@ -6,7 +6,7 @@
     "type": "project",
     "require": {
         "php": ">=5.5.9",
-        "laravel/framework": "5.1.*",
+        "laravel/framework": "5.4.*",
         "twilio/sdk": "^6.0"
     },
     "require-dev": {