Make kamal dbc work with any database (rails#53003)

Author: jeromedalbert

railties/lib/rails/generators/rails/app/templates/config/deploy.yml.tt

@@ -68,9 +68,7 @@ aliases:
   console: app exec --interactive --reuse "bin/rails console"
   shell: app exec --interactive --reuse "bash"
   logs: app logs -f
-<% if sqlite3? -%>
-  dbc: app exec --interactive --reuse "sqlite3 storage/production.sqlite3"
-<% end -%>
+  dbc: app exec --interactive --reuse "bin/rails dbconsole"
 
 <% unless skip_storage? %>
 # Use a persistent storage volume for sqlite database files and local Active Storage files.