chore: update .github/workflows/rector.yml

Author: kenjis

.github/workflows/rector.yml

@@ -62,5 +62,5 @@ jobs:
 
       - name: Analyze for refactoring
         run: |
-          composer global require --dev rector/rector:^0.18.12
+          composer global require --dev rector/rector:^0.19.5
           rector process --dry-run --no-progress-bar