Fix another contents

Author: bouwew

plugwise/model.py

@@ -430,7 +430,7 @@ def model_post_init(self, __context):
 class ModuleData(BaseModel):
     """Module model."""
 
-    contents: bool = False
+    content: bool = False
     firmware_version: str | None = None
     hardware_version: str | None = None
     reachable: bool | None = None