Bump electron to version 39.2.3

Updated the electron dependency from 38.0.0 to 39.2.3 in package.json to use the latest features and security updates.

Author: michelu89

core/package-lock.json

@@ -283,7 +283,7 @@
     "cypress": "^14.5.4",
     "cypress-file-upload": "^5.0.8",
     "cypress-real-events": "^1.13.0",
-    "electron": "38.0.0",
+    "electron": "39.2.3",
     "electron-builder": "^26.0.12",
     "eslint": "8.57.0",
     "eslint-config-prettier": "10.1.8",