install_deps: upgrade only specified packages, not full system (#768)

Co-authored-by: Howard Wu <HowardWu20@outlook.com>

Author: theblackhole

scripts/install_deps.sh

@@ -80,8 +80,7 @@ PM_INSTALL_MAP["apt-get"]="install -y"
 PM_INSTALL_MAP["apk"]="add"
 
 declare -A PM_UPGRADE_MAP
-PM_UPGRADE_MAP["dnf"]="update -y"
-PM_UPGRADE_MAP["apt-get"]="upgrade -y"
+PM_UPGRADE_MAP["apt-get"]="install -y"
 PM_UPGRADE_MAP["zypper"]="up -y"
 
 check_package_manager() {