Bump phpstan/phpstan from 0.12.87 to 0.12.88 (#4222)

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.87 to 0.12.88.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](https://github.com/phpstan/phpstan/compare/0.12.87...0.12.88)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

composer.json

@@ -38,7 +38,7 @@
       "pocketmine/spl": "^0.4.0"
    },
    "require-dev": {
-      "phpstan/phpstan": "0.12.87",
+      "phpstan/phpstan": "0.12.88",
       "phpstan/phpstan-phpunit": "^0.12.6",
       "phpstan/phpstan-strict-rules": "^0.12.2",
       "phpunit/phpunit": "^9.2"

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b067ae662b4e253a7a2ad6ba8ede10aa",
+    "content-hash": "f44a7138679bc86f4feecb9f3dbf7f1a",
     "packages": [
         {
             "name": "adhocore/json-comment",
@@ -1009,16 +1009,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.87",
+            "version": "0.12.88",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "d464e00776afb711f419faffa96826dc02e4d145"
+                "reference": "464d1a81af49409c41074aa6640ed0c4cbd9bb68"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/d464e00776afb711f419faffa96826dc02e4d145",
-                "reference": "d464e00776afb711f419faffa96826dc02e4d145",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/464d1a81af49409c41074aa6640ed0c4cbd9bb68",
+                "reference": "464d1a81af49409c41074aa6640ed0c4cbd9bb68",
                 "shasum": ""
             },
             "require": {
@@ -1049,7 +1049,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.87"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.88"
             },
             "funding": [
                 {
@@ -1065,7 +1065,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-05-12T15:17:52+00:00"
+            "time": "2021-05-17T12:24:49+00:00"
         },
         {
             "name": "phpstan/phpstan-phpunit",