ci: add missing dependency and fix path to build script

[hyoklee]

This PR fixes the CI build error:

-- Checking for module 'libelf'
CMake Error at /usr/share/cmake-3.22/Modules/FindPkgConfig.cmake:603 (message):
--   No package 'libelf' found
  A required package was not found
Call Stack (most recent call first):
  /usr/share/cmake-3.22/Modules/FindPkgConfig.cmake:825 (_pkg_check_modules_internal)
  /root/spack/opt/spack/linux-ubuntu22.04-zen2/gcc-11.4.0/hermes_shm-master-zg6jrwsu4v3wjksngaatxaeu6e7xuzgb/cmake/HermesShmConfig.cmake:73 (pkg_check_modules)
  CMakeLists.txt:108 (find_package)