Set inactivated_at column to CoderDojo 若葉若松

Author: yasulab

db/dojos.yml

@@ -786,7 +786,7 @@
   order: '121002'
   created_at: '2018-04-24'
   inactivated_at: '2025-03-01'
-  note: 2月からCoderDojoみつわ台との合同開催 && the dojo was inactivated at the end of 2025/02. https://bit.ly/44ReA4m
+  note: CoderDojoみつわ台との合同開催 but the dojo was inactivated at the end of 2025/02. https://bit.ly/44ReA4m
   name: 若葉若松
   prefecture_id: 12
   url: https://coderdojo-wakaba-wakamatsu.github.io/