3.0.3

Changelog:

• Feature(backend): Migrate to vstutils 5.6.
• Feature(backend): Provide to setup normal headers to endpoint operations.
• Feature(plugins): Provide async support for history write plugins.
• Feature(web): Provided lightweight healthcheck for webserver /api/live/.
• Fix(backend): Improved healthcheck endpoint to make simple db requests and check current celery connection.
• Fix(dev): Building with docker compose.
• Chore(service): Improved centrifugo notification performance and stability.
• Chore(web): Improved performance for static files.