feat: add chmod

Signed-off-by: Xinwei Xiong(cubxxw-openim) <3293172751nss@gmail.com>

cmd/openim-crontask/Makefile

@@ -1,6 +1,6 @@
 .PHONY: all build run gotool install clean help
 
-NAME=openim_cron_task
+NAME=openim-crontask
 BIN_DIR=../../bin/
 
 OS:= $(or $(os),linux)

cmd/openim-crontask/deploy.Dockerfile

@@ -25,8 +25,8 @@ RUN apt-get install -y vim curl tzdata gawk
 RUN ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && dpkg-reconfigure -f noninteractive tzdata
 RUN apt-get -qq update \
     && apt-get -qq install -y --no-install-recommends ca-certificates curl
-COPY ./openim_cron_task ./
+COPY ./openim-crontask ./
 
 VOLUME ["/Open-IM-Server/logs","/Open-IM-Server/config"]
 
-CMD ["./openim_cron_task"]
+CMD ["./openim-crontask"]