- Added `prepareEnvironmentVariablesForShell` function to properly escape environment variables for shell usage.
- Updated various builders (Docker, Heroku, Nixpacks, Paketo, Railpack) to utilize the new function for improved handling of special characters in environment variables.
- Introduced tests to validate the handling of environment variables with various special characters, ensuring robustness in shell command execution.
- Added `shell-quote` dependency to manage quoting of shell arguments effectively.
- Introduced a new boolean column `cleanCache` in the application schema to manage cache cleaning behavior.
- Updated the application form to include a toggle for `cleanCache`, allowing users to enable or disable cache cleaning.
- Enhanced application deployment logic to utilize the `cleanCache` setting, affecting build commands across various builders (Docker, Heroku, Nixpacks, Paketo, Railpack).
- Implemented success and error notifications for cache updates in the UI.