Update phpstan/phpstan requirement from 1.10.65 to 1.10.66

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Changelog](https://github.com/phpstan/phpstan/blob/1.11.x/CHANGELOG.md)
- [Commits](phpstan/phpstan@1.10.65...1.10.66)

---
updated-dependencies:
- dependency-name: phpstan/phpstan
  dependency-type: direct:development
...

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

composer.json

@@ -17,7 +17,7 @@
   "require-dev": {
     "alleyinteractive/alley-coding-standards": "^2.0",
     "nunomaduro/collision": "^6.4",
-    "phpstan/phpstan": "1.10.65",
+    "phpstan/phpstan": "1.10.66",
     "phpunit/phpunit": "^9.6.10",
     "szepeviktor/phpstan-wordpress": "^1.3"
   },