New features
- Removed SRE DC.
- Support for tier-3 package mirrors.
- Improvements to DSVM build workflow.
- Added support for PostgreSQL and MS-SQL database servers in SRE.
- Additional Powershell migration.
[View and clone the repository at this version](https://github.com/alan-turing-institute/data-safe-haven/tree/v3.0.0-beta)