chore: Update dependencies to match server

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

composer.json

@@ -4,7 +4,7 @@
 		"optimize-autoloader": true,
 		"classmap-authoritative": true,
 		"platform": {
-			"php": "8.0"
+			"php": "8.1"
 		}
 	},
 	"scripts": {
@@ -17,9 +17,9 @@
 		"psalm:fix": "psalm --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType"
 	},
 	"require-dev": {
-		"nextcloud/coding-standard": "^1.0.0",
+		"nextcloud/coding-standard": "^1.2.0",
 		"phpunit/phpunit": "^9",
-		"vimeo/psalm": "^5.15.0",
+		"vimeo/psalm": "^5.25.0",
 		"nextcloud/ocp": "dev-master"
 	}
 }