Bump phpstan/phpstan from 0.12.48 to 0.12.50

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.48 to 0.12.50.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](https://github.com/phpstan/phpstan/compare/0.12.48...0.12.50)

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

composer.lock

@@ -320,7 +320,7 @@
             "keywords": [
                 "laravel"
             ],
-            "abandoned": true,
+            "abandoned": "diglactic/laravel-breadcrumbs",
             "time": "2019-12-30T22:50:51+00:00"
         },
         {
@@ -8964,16 +8964,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.48",
+            "version": "0.12.50",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "d364cfbac9ffd869570cdfea7eaa6541c3dac666"
+                "reference": "b8248f9c81265af75d6d969ca3252aaf3e998f3a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d364cfbac9ffd869570cdfea7eaa6541c3dac666",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/b8248f9c81265af75d6d969ca3252aaf3e998f3a",
-                "reference": "d364cfbac9ffd869570cdfea7eaa6541c3dac666",
+                "reference": "b8248f9c81265af75d6d969ca3252aaf3e998f3a",
                 "shasum": ""
             },
             "require": {
@@ -9016,7 +9016,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-01T13:20:16+00:00"
+            "time": "2020-10-16T12:22:23+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",