com.cisco.PacketTracer.yml: update

README.md: update
Makefile: add install-deps

Signed-off-by: unexplrd <unexplrd@linerds.us>

com.cisco.PacketTracer.yml

@@ -1,9 +1,9 @@
 app-id: com.cisco.PacketTracer
 runtime: org.kde.Platform
-runtime-version: '5.15-22.08'
+runtime-version: '5.15-24.08'
 sdk: org.kde.Sdk
 base: io.qt.qtwebengine.BaseApp
-base-version: '5.15-22.08'
+base-version: '5.15-24.08'
 command: /app/pt/packettracer
 separate-locales: false
 
@@ -12,12 +12,13 @@ tags:
 
 finish-args:
   - --share=ipc
-  - --share=network
+  # - --share=network
   - --socket=x11
   - --socket=pulseaudio
   - --device=dri
-  - --filesystem=xdg-download
+  - --filesystem=xdg-download/packettracer
   - --persist=.
+  - --env=QT_QPA_PLATFORM=xcb
   - --env=TZ=
 
 modules: