Publish docker images targeting ARM architecture

[jrhee17]

Since most Mac users are using Apple silicon chips.

We could probably

1. Create a gradle task which allows us to manipulate the platforms field of the DockerBuildImage task
   

   centraldogma/dist/build.gradle

   Line 167 in 69c706b

   task docker(group: 'Build',

2. Afterwards, we could specify the parameter when running docker publishing tasks:

3. centraldogma/.github/workflows/publish-docker.yml

   Line 14 in 69c706b

   push_to_registry: