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/docker-compose.json

@@ -10,11 +10,11 @@
         { "key": "OC_PASSWORD", "value": "${OC_PASSWORD}" },
         { "key": "OC_TOTP_SECRET", "value": "${OC_TOTP_SECRET}" },
         { "key": "VNC_PASSWORD", "value": "${VNC_PASSWORD}" },
-        { "key": "NOVNC_PORT", "value": "6080" },
+        { "key": "NOVNC_PORT", "value": "6092" },
         { "key": "TZ", "value": "${TZ}" },
         { "key": "TARGET_IP", "value": "${TARGET_IP}" }
       ],
-      "internalPort": 6080,
+      "internalPort": 6092,
       "volumes": [
         { "hostPath": "${APP_DATA_DIR}/config", "containerPath": "/config", "readOnly": false },
         { "hostPath": "${APP_DATA_DIR}", "containerPath": "/runtime", "readOnly": false },