Update dojos.yaml

厚木Dojoのロゴ変更の依頼　
/img/dojos/japan.png ->  　/img/dojos/atsugi.png

Author: bowmorex21

db/dojos.yaml

@@ -1431,7 +1431,7 @@
   created_at: '2018-03-29'
   name: 厚木
   prefecture_id: 14
-  logo: "/img/dojos/japan.png"
+  logo: "/img/dojos/atsugi.png"
   url: https://coderdojo-atsugi.connpass.com/
   description: 厚木市で不定期開催
   tags: