[BUG] Missing package management related build scripts?

[ZhenshengLee]

Describe the bug

In the latest code of master, there is definition of two scripts for package management scripts that is

https://github.com/ApolloAuto/apollo/blob/master/scripts/apollo_build_pkg.sh and apollo_build_package.sh , which is missing in the folder of https://github.com/ApolloAuto/apollo/blob/master/scripts

https://github.com/ApolloAuto/apollo/blob/e373b206a0dc0360af826152132a61c85cab295c/apollo.sh#L177-L178

To Reproduce

Expected behavior

the missing file get updated.

Additional context

code commit e373b206a0dc0360af826152132a61c85cab295c