fix patch script

patch-potacat.sh

@@ -9,12 +9,17 @@ if [ ! -f "$PACKAGE_JSON" ]; then
   exit 1
 fi
 
-if ! grep -q '"deb"' "$PACKAGE_JSON"; then
-  echo "No deb target found in $PACKAGE_JSON, nothing to do."
-  exit 0
-fi
-
-# Remove "deb" entry including trailing or leading comma
-sed -i '/"deb"/d' "$PACKAGE_JSON"
-
-echo "Removed deb target from $PACKAGE_JSON."
+python3 -c "
+import json, sys
+with open('$PACKAGE_JSON', 'r') as f:
+    data = json.load(f)
+targets = data.get('build', {}).get('linux', {}).get('target', [])
+if 'deb' in targets:
+    targets.remove('deb')
+    data['build']['linux']['target'] = targets
+    with open('$PACKAGE_JSON', 'w') as f:
+        json.dump(data, f, indent=2)
+    print('Removed deb target from $PACKAGE_JSON.')
+else:
+    print('No deb target found, nothing to do.')
+"