[#1041] Fix the download operation of `wget`

[qqqttt123]

I have compared the size of jars. cc @jerryshao

root@e08f12eec983:~/gravitino/catalogs/lakehouse-iceberg# ls -al libs/my*

-rw-r--r-- 1 root root 2475087 Dec 9 08:09 libs/mysql-connector-java-8.0.27.jar root@e08f12eec983:~/gravitino/catalogs/lakehouse-iceberg# ls -al libs/post* -rw-r--r-- 1 root root 1077325 Dec 9 08:09 libs/postgresql-42.7.0.jar

ls -al mysql-connector-java-8.0.27.jar -rw-r--r--@ 1 staff 2475087 12 9 16:04 mysql-connector-java-8.0.27.jar ls -al postgresql-42.7.0.jar -rw-r--r--@ 1 staff 1077325 12 9 16:06 postgresql-42.7.0.jar

[qqqttt123]

Gently ping @jerryshao