Restrict version constraint to due to RectorsChangelogResolver class being removed on rector:1.2.0

#5

Author: matheusab

composer.json

@@ -13,7 +13,7 @@
 		],
 		"require": {
 				"php": "^7.2|^8.0",
-				"rector/rector": ">=0.19"
+				"rector/rector": ">=0.19,<1.2.0"
 		},
 		"autoload": {
 				"psr-4": {