Don't make empty changelog entries.

Tools/update_changelog.py

@@ -61,15 +61,18 @@ def main():
             "time", datetime.datetime.now(datetime.timezone.utc).isoformat()
         )
         changes = partyaml["changes"]
+
         if not isinstance(changes, list):
             changes = [changes]
 
-        max_id += 1
-        new_id = max_id
+        if len(changes):
+            # Don't add empty changelog entries...
+            max_id += 1
+            new_id = max_id
 
-        entries_list.append(
-            {"author": author, "time": time, "changes": changes, "id": new_id}
-        )
+            entries_list.append(
+                {"author": author, "time": time, "changes": changes, "id": new_id}
+            )
 
         os.remove(partpath)