Bump phpstan/phpstan from 0.12.71 to 0.12.73

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.71 to 0.12.73.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](phpstan/phpstan@0.12.71...0.12.73)

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

Author: dependabot[bot]

composer.json

@@ -22,7 +22,7 @@
     "php-parallel-lint/php-parallel-lint": "^1.2.0",
     "phpspec/prophecy": "^1.12.2",
     "phpspec/prophecy-phpunit": "^2.0.1",
-    "phpstan/phpstan": "^0.12.71",
+    "phpstan/phpstan": "^0.12.73",
     "phpunit/phpunit": "^9.5.2",
     "psalm/plugin-phpunit": "^0.15.1",
     "roave/backward-compatibility-check": "^5.0.0",