[#2270] Change docker image to container-registry.oracle.com/mysql/community-server:9.3.0

from `docker.io/mysql:9.2.0`
to `container-registry.oracle.com/mysql/community-server:9.3.0`

I found the registry in the official MySQL documentation:
https://dev.mysql.com/doc/refman/9.3/en/docker-mysql-getting-started.html#docker-download-image

The one from docker.io doesn't seem to work with testcontainers.

Author: dependabot[bot]

.github/workflows/build.yml

@@ -52,8 +52,7 @@ jobs:
     services:
       # Label used to access the service container
       mysql:
-        # Docker Hub image
-        image: mysql:9.2.0
+        image: container-registry.oracle.com/mysql/community-server:9.3.0
         env:
           MYSQL_ROOT_PASSWORD: hreact
           MYSQL_DATABASE: hreact

tooling/docker/mysql.Dockerfile

@@ -1,3 +1,3 @@
 # MySQL
 # See https://hub.docker.com/_/mysql
-FROM docker.io/mysql:9.2.0
+FROM container-registry.oracle.com/mysql/community-server:9.3.0