Fix empty changelog check

.scripts/changelog_to_fastlane.py

@@ -24,7 +24,7 @@ with open('CHANGELOG.md') as changelog:
             text.append(re.sub(r'\[(.*?)\]\((.*?)\)', r'\1 (\2)', line))
 
 for version, description in changelogs.items():
-    if not description:
+    if not description.strip():
         continue
 
     with open(os.path.join("fastlane", "metadata", "android", "en-US", "changelogs", f"{version}.txt"), "w") as fastlane_file: