Fix execute script (#16)

Author: filippolmt

CHANGELOG.md

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres
 to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.4.1] - 2025-02-24
+
+[Compare with previous version](https://github.com/sparkfabrik/terraform-google-gcp-mysql-db-and-user-creation-helper/compare/0.4.0...0.4.1)
+
+- Grant execute permission to execute_cloud_sql_proxy.sh to ensure it can be run as a script.
+
 ## [0.4.0] - 2025-01-28
 
 ### Changed