Update PHP dependencies

Ignition doesn't need external Font Awesome anymore
facade/ignition#208

composer.json

@@ -20,27 +20,27 @@
         "php": "^7.2",
         "ext-zlib": "*",
         "doctrine/dbal": "^2.8",
-        "fideloper/proxy": "^4.0",
+        "fideloper/proxy": "^4.3",
         "guzzlehttp/guzzle": "^6.3",
-        "laracasts/flash": "^3.0",
-        "laravel/framework": "^6.9",
-        "laravel/tinker": "^2.0",
+        "laracasts/flash": "^3.1",
+        "laravel/framework": "^6.18",
+        "laravel/tinker": "^2.3",
         "predis/predis": "^1.1",
-        "rtconner/laravel-tagging": "^3.0",
-        "sentry/sentry-laravel": "^1.0",
+        "rtconner/laravel-tagging": "^4.0",
+        "sentry/sentry-laravel": "^1.7",
         "socialiteproviders/discord": "^2.0",
         "spatie/url": "^1.3"
     },
     "require-dev": {
         "barryvdh/laravel-debugbar": "^3.2",
-        "barryvdh/laravel-ide-helper": "^2.5",
-        "beyondcode/laravel-dump-server": "^1.0",
+        "barryvdh/laravel-ide-helper": "^2.6",
+        "beyondcode/laravel-dump-server": "^1.3",
         "deployer/recipes": "^6.1",
-        "facade/ignition": "^1.4",
+        "facade/ignition": "^1.16",
         "fzaninotto/faker": "^1.4",
         "mockery/mockery": "^1.0",
         "nunomaduro/collision": "^3.0",
-        "phpunit/phpunit": "^8.0"
+        "phpunit/phpunit": "^8.5"
     },
     "config": {
         "optimize-autoloader": true,