chore: make naming of file more clear

Change-Id: I15d3972a48476cc7ede3a9369c684ae35cc620f5

lib/yashchiki/complete_spack_install_routine_called_in_post_as_root.sh

@@ -14,7 +14,7 @@ source "${SOURCE_DIR}/commons.sh"
 "${SPACK_INSTALL_SCRIPTS}/prepare_spack_as_root.sh"
 sudo -Eu spack "${SPACK_INSTALL_SCRIPTS}/install_dependencies.sh"
 
-sudo -Eu spack "${SPACK_INSTALL_SCRIPTS}/install_spack.sh" && \
+sudo -Eu spack "${SPACK_INSTALL_SCRIPTS}/install_spack_packages.sh" && \
 sudo -Eu spack ${MY_SPACK_CMD} compiler add --scope site /usr/bin && \
 sudo -Eu spack "${SPACK_INSTALL_SCRIPTS}/restore_spack_user_settings.sh" && \
 # remove temporary cache folder