Update phpstan/phpstan-strict-rules requirement from ^1.0 to ^1.4

Updates the requirements on [phpstan/phpstan-strict-rules](https://github.com/phpstan/phpstan-strict-rules) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan-strict-rules/releases)
- [Commits](phpstan/phpstan-strict-rules@1.0.0...1.4.0)

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

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

Author: dependabot[bot]

composer.json

@@ -87,7 +87,7 @@
         "phpstan/phpstan": "^1.8",
         "phpstan/phpstan-deprecation-rules": "^1.0",
         "phpstan/phpstan-phpunit": "^1.1",
-        "phpstan/phpstan-strict-rules": "^1.0",
+        "phpstan/phpstan-strict-rules": "^1.4",
         "phpunit/phpunit": "^9.5.23",
         "rector/rector": "^0.14",
         "roave/security-advisories": "dev-latest",