fix(cistech-tunnel): remove systemd dependency, use port 6092

- entrypoint.sh: Start VNC directly instead of systemd /sbin/init
- Changed NOVNC_PORT from 6080 to 6092 everywhere
- Dockerfile: Updated EXPOSE and default NOVNC_PORT
- Bumped tipi_version to 3

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/cistech-tunnel/build/Dockerfile

@@ -10,7 +10,7 @@ ENV container=docker
 # VNC/noVNC settings
 ENV DISPLAY=:1
 ENV VNC_PORT=5901
-ENV NOVNC_PORT=6080
+ENV NOVNC_PORT=6092
 
 # Python/Playwright settings
 ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
@@ -98,7 +98,7 @@ RUN chmod +x /opt/scripts/entrypoint.sh
 
 VOLUME ["/sys/fs/cgroup"]
 
-EXPOSE 5901 6080
+EXPOSE 5901 6092
 
 STOPSIGNAL SIGRTMIN+3