dev: Declare the Docker Composer project name in docker-compose.yml

[marien-probesys]

Related issue(s)

N/A

How to test manually

1. run make docker-start
2. run the commands under ./docker/bin/
3. verify they all use the Docker Compose project name "bileto" (the Docker containers must be prefixed by bileto-)

Checklist

• Code is manually tested
• Permissions / authorizations are verified
• New data can be imported
• Interface works on both mobiles and big screens
• Interface works in both light and dark modes
• Interface works on both Firefox and Chrome
• Accessibility has been tested
• Translations are synchronized
• Tests are up to date
• Copyright notices are up to date
• Documentation is up to date
• Pull request has been reviewed and approved

[marien-probesys]

👍