Merge pull request #339 from ryo-funaba/renovate/mysql-9.2.0

chore(deps): update mysql:9.2.0 docker digest to 9b9d0aa

Author: renovate[bot]

docker-compose.yml

@@ -20,7 +20,7 @@ services:
     working_dir: /app/example_echo
 
   db:
-    image: mysql:9.2.0@sha256:146682692a3aa409eae7b7dc6a30f637c6cb49b6ca901c2cd160becc81127d3b
+    image: mysql:9.2.0@sha256:9b9d0aab4860798acff13d2a0ece3bc26639fe18b83fa5cd3e3d0e16b3ed05dd
     container_name: twitter_db
     environment:
       MYSQL_ROOT_PASSWORD: mysql