Update Mac notarize configuration to boolean for electron-builder 26.0.12

In electron-builder 26.0.12, notarize must be a boolean value. The actual
notarization configuration (teamId, etc.) is now handled via environment
variables such as APPLE_TEAM_ID=UUK47G4BAZ instead of in the config file.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: KIvanow

electron-builder.json

@@ -27,9 +27,7 @@
         "arch": ["x64", "arm64"]
       }
     ],
-    "notarize": {
-      "teamId": "UUK47G4BAZ"
-    },
+    "notarize": true,
     "type": "distribution",
     "hardenedRuntime": true,
     "darkModeSupport": true,