Fix up dep

Author: dereuromark

composer.json

@@ -38,7 +38,7 @@
 		"squizlabs/php_codesniffer": "^3.7"
 	},
 	"require-dev": {
-		"cakephp/plugin-installer": "^1.3",
+		"cakephp/plugin-installer": "^2.0.1",
 		"cakephp/migrations": "^4.0.1",
 		"dereuromark/cakephp-shim": "dev-cake5",
 		"fig-r/psr2r-sniffer": "dev-next",