MNT Update development dependencies

composer.json

@@ -5,10 +5,10 @@
     "require": {
         "php": "^8.1",
         "silverstripe/recipe-plugin": "^2",
-        "silverstripe/vendor-plugin": "^2",
-        "silverstripe/recipe-cms": "5.x-dev",
+        "silverstripe/vendor-plugin": "2.0.x-dev",
+        "silverstripe/recipe-cms": "5.0.x-dev",
         "silverstripe-themes/simple": "~3.2.0",
-        "silverstripe/login-forms": "5.x-dev"
+        "silverstripe/login-forms": "5.0.x-dev"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5"
@@ -18,7 +18,6 @@
             "app/_config/*",
             ".env.example",
             ".graphql-generated/*"
-
         ],
         "public-files": [
             "assets/*",
@@ -35,4 +34,4 @@
     },
     "prefer-stable": true,
     "minimum-stability": "dev"
-}
+}