build(deps-dev): update phpstan/phpstan requirement from ^0.12.92 to ^0.12.93 (#73)

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
         "ergebnis/composer-normalize": "^2.14",
         "infection/infection": "^0.21.4",
         "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "^0.12.92",
+        "phpstan/phpstan": "^0.12.93",
         "phpstan/phpstan-phpunit": "^0.12.18",
         "phpunit/phpunit": "^9.5",
         "spatie/phpunit-snapshot-assertions": "^4.2",