Fix preload bridge crash and bump version to 0.2.0

package.json

@@ -1,6 +1,6 @@
 {
   "name": "time4midi",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Cross-platform timeline editor for MIDI notes and Art-Net values, slaved to incoming timecode.",
   "main": "main.js",
   "author": "J.H. Artworks",
@@ -13,7 +13,7 @@
     "electron-builder": "^26.15.3"
   },
   "dependencies": {
-    "knx": "^0.0.1",
+    "knx": "^2.5.4",
     "modbus-serial": "^8.0.25",
     "mqtt": "^5.10.4",
     "serialport": "^13.0.0"