install: Install the wget package.

We depend on it for installing node, and it's a standard package, not
a required one, so we do need to explicitly declare the dependency.

puppet/zulip/manifests/base.pp

@@ -4,6 +4,7 @@ class zulip::base {
                      "ntp",
                      # Used in scripts including install-yarn.sh
                      "curl",
+                     "wget",
                      # Used in scripts
                      "netcat",
                      # Nagios plugins; needed to ensure /var/lib/nagios_plugins exists

scripts/lib/install

@@ -130,7 +130,7 @@ fi
 
 apt-get -y dist-upgrade $APT_OPTIONS
 apt-get install -y \
-    puppet git curl \
+    puppet git curl wget \
     python python3 python-six python3-six crudini \
     $ADDITIONAL_PACKAGES