Auditize

- The database name can now be chosen through the `AUDITIZE_DB_NAME` env variable
- **Breaking changes**:
- in user/apikey management, `permissions.logs.repos.readable_entities` now
controls the list of readable entities when `permissions.logs.repos.read` is false
- use cursor-based pagination in `GET /api/repos/{repo_id}/logs/...` endpoints
- Minor fixes
- Upgrade back & front dependencies

- Fix log entity read restrictions not taken into account in
`GET /api/repos/{repo_id}/logs/{log_id}/attachments/{attachment_idx}`
- Minor UI fixes

- Improve log search performance
- Add command `auditize purge-expired-logs`
(the expired logs purge is also managed by the `auditize scheduler` command)
- Add database migration mechanism
- Upgrade front dependencies

- Fix regression introduced in 0.4.0 that could lead to `POST /api/repos/{repo_id}/logs`
failures on concurrent access

- Improve performance of `POST /api/repos/{repo_id}/logs` endpoint
- New environment variable `AUDITIZE_MONGODB_TLS` to support MongoDB TLS connections
- Add official support for Python 3.13
- Add official support for MongoDB 8
- Minor fixes and improvements
- **Breaking change**: Auditize now requires MongoDB to be configured with a Replica Set

- Overhaul of the log filter UI
- Add favorite log filters feature
- The log search parameter selectors and the log table column selectors are now searchable
- Add an "About" entry in the user menu
- Display the last login date in the user management page
- Various minor UI improvements and bug fixes
- Upgrade backend dependencies