fix(mealie): install ffmpeg for video recipe import (#18210)

The official Mealie image installs ffmpeg. This script's apt list
did not, so yt-dlp could not extract reel audio (ffprobe missing).
ensure_dependencies on update covers existing containers.

ct/mealie.sh

@@ -30,6 +30,9 @@ function update_script() {
     msg_error "No ${APP} Installation Found!"
     exit
   fi
+
+  ensure_dependencies ffmpeg
+
   if check_for_gh_release "mealie" "mealie-recipes/mealie"; then
 
     msg_info "Stopping Service"

install/mealie-install.sh

@@ -23,6 +23,7 @@ $STD apt install -y \
   libldap-common \
   libssl-dev \
   libldap2 \
+  ffmpeg \
   gosu \
   iproute2
 msg_ok "Installed Dependencies"