Bump module-installer

Author: tvdijen

composer.json

@@ -26,10 +26,10 @@
         }
     },
     "require": {
-        "simplesamlphp/composer-module-installer": "~1.1.8"
+        "simplesamlphp/composer-module-installer": "^1.3.3"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp": "^2.0.0-rc1",
+        "simplesamlphp/simplesamlphp": "^2.0.0",
         "simplesamlphp/simplesamlphp-test-framework": "^1.2.1"
     },
     "support": {