ci: newest SQL Serevr 2019 image and rm deprecated env `SA_PASSWORD`

.ci/docker-compose-file/.env

@@ -9,6 +9,6 @@ DYNAMO_TAG=1.21.0
 CASSANDRA_TAG=3.11.6
 
 MS_IMAGE_ADDR=mcr.microsoft.com/mssql/server
-SQLSERVER_TAG=2019-CU11-ubuntu-20.04
+SQLSERVER_TAG=2019-CU19-ubuntu-20.04
 
 TARGET=emqx/emqx

.ci/docker-compose-file/docker-compose-sqlserver.yaml

@@ -11,7 +11,7 @@ services:
       # See also:
       # https://learn.microsoft.com/en-us/sql/linux/sql-server-linux-configure-environment-variables
       ACCEPT_EULA: "Y"
-      SA_PASSWORD: "mqtt_public"
+      MSSQL_SA_PASSWORD: "mqtt_public"
     restart: always
     # ports:
     #   - "1433:1433"