chore(cli): enhance version handling and testing mechanisms

- Add a command to print the version of the target before running the main command

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

Author: appleboy

entrypoint.sh

@@ -63,4 +63,5 @@ TARGET="${GITHUB_ACTION_PATH}/${CLIENT_BINARY}"
 echo "Will download ${CLIENT_BINARY} from ${DOWNLOAD_URL_PREFIX}"
 curl -fL --retry 3 --keepalive-time 2 "${DOWNLOAD_URL_PREFIX}/${CLIENT_BINARY}" -o ${TARGET}
 chmod +x ${TARGET}
-sh -c "${TARGET} $*"
+sh -c "${TARGET} --version" # print version
+sh -c "${TARGET} $*" # run the command