Additional fixes

- use Bash
- wordsplit PACKAGES input into array
- pass array to `apt`

Author: jgarber623-cargosense

src/apt-packages/devcontainer-feature.json

@@ -1,7 +1,7 @@
 {
   "name": "APT Packages",
   "id": "apt-packages",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Install programs using the APT package manager.",
   "options": {
     "packages": {

src/apt-packages/install.sh

@@ -1,10 +1,10 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 set -e
 
-apt update
+read -ar packages <<< "${PACKAGES:-""}"
 
-# shellcheck disable=SC2154
-apt install --no-install-recommends --yes "${PACKAGES}"
+apt update
+apt install --no-install-recommends --yes "${packages[@]}"
 
 rm -rf /var/lib/apt/lists /var/cache/apt/archives