composer(deps): bump phpstan/phpstan in /vendor-bin/phpstan (#329)

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.85 to 0.12.88.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](phpstan/phpstan@0.12.85...0.12.88)

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

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

vendor-bin/phpstan/composer.json

@@ -2,7 +2,7 @@
     "require": {
         "php": "^7.1 || ^8.0",
         "phpstan/extension-installer": "^1.1.0",
-        "phpstan/phpstan": "^0.12.85",
+        "phpstan/phpstan": "^0.12.88",
         "phpstan/phpstan-deprecation-rules": "^0.12.6"
     },
     "config": {