Update phpstan/phpstan requirement from 0.12.69 to 0.12.70

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](phpstan/phpstan@0.12.69...0.12.70)

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

Author: dependabot[bot]

composer.json

@@ -18,7 +18,7 @@
 		"codeigniter4/codeigniter4-standard": "^1.0",
 		"fakerphp/faker": "^1.9",
 		"mikey179/vfsstream": "^1.6",
-		"phpstan/phpstan": "0.12.69",
+		"phpstan/phpstan": "0.12.70",
 		"phpunit/phpunit": "^8.5 || ^9.1",
 		"predis/predis": "^1.1",
 		"rector/rector": "^0.8",