docs(dev-ops-bot): /deploy jomonコマンドにargsSyntaxを追加

Author: reiroop

dev-ops-bot/config/config.yaml

@@ -330,6 +330,7 @@ commands:
           - s323.tokyotech.org
           - /srv/jomon/deploy.sh
         allowArgs: true
+        argsSyntax: "[<image_tag>] (default: latest)"
         operators:
           - hijiki51
           - Takeno_hito