fix: accept MySQL mysqldump version output

scripts/deploy_production.sh

@@ -135,7 +135,7 @@ if [ -n "$MYSQL_CONTAINER" ]; then
   docker inspect "$MYSQL_CONTAINER" >/dev/null 2>&1 \
     || fail "MySQL 容器不存在: $MYSQL_CONTAINER"
   docker exec "$MYSQL_CONTAINER" mysqldump --version \
-    | grep -Eq 'Distrib 8\.' \
+    | grep -Eq '(Ver|Distrib)[[:space:]]+8\.' \
     || fail "容器内 mysqldump 不是 MySQL 8: $MYSQL_CONTAINER"
 else
   if [ -z "$MYSQLDUMP_BIN" ]; then
@@ -153,7 +153,7 @@ else
   fi
   [ -x "$MYSQLDUMP_BIN" ] \
     || fail "未找到 mysqldump；Docker MySQL 请设置 MYSQL_CONTAINER"
-  "$MYSQLDUMP_BIN" --version | grep -Eq 'Distrib 8\.' \
+  "$MYSQLDUMP_BIN" --version | grep -Eq '(Ver|Distrib)[[:space:]]+8\.' \
     || fail "宿主机 mysqldump 不是 MySQL 8；请设置 MYSQL_CONTAINER 使用容器内客户端"
 fi
 $SUDO mkdir -p "$BACKUP_DIR"