newline in script json dumps (#3162)

scripts/update_schemas_from_aws_api.py

@@ -43,6 +43,7 @@ def write_output(resource, filename, obj):
 
     with open(filename, "w+", encoding="utf-8") as f:
         json.dump(obj, f, indent=1, sort_keys=True, separators=(",", ": "))
+        f.write("\n")
 
 
 def write_db_cluster(results):

scripts/update_serverless_aws_policies.py

@@ -29,6 +29,7 @@ def main():
             sort_keys=True,
             separators=(",", ": "),
         )
+        f.write("\n")
 
 
 if __name__ == "__main__":

scripts/update_specs_from_pricing.py

@@ -324,13 +324,15 @@ def get_rds_pricing():
     )
     with open(filename, "w+", encoding="utf-8") as f:
         json.dump(specs, f, indent=1, sort_keys=True, separators=(",", ": "))
+        f.write("\n")
 
     filename = (
         "src/cfnlint/data/schemas/extensions/"
         "aws_rds_dbcluster/dbclusterinstanceclass_enum.json"
     )
     with open(filename, "w+", encoding="utf-8") as f:
         json.dump(cluster_specs, f, indent=1, sort_keys=True, separators=(",", ": "))
+        f.write("\n")
 
 
 def get_results(service, product_families, default=None):
@@ -374,6 +376,7 @@ def write_output(resource, filename, obj):
 
     with open(filename, "w+", encoding="utf-8") as f:
         json.dump(output, f, indent=1, sort_keys=True, separators=(",", ": "))
+        f.write("\n")
 
 
 def main():