release notes: scope to current version only, remove v0.4.1 and v0.4.0 history

_release.md

@@ -13,41 +13,6 @@ extract, and run.
 • Backup archives now preserve source file modification times — restored files keep their original dates instead of showing 1970-01-01 on Windows
 • Restore backup picker navigation no longer stops before migrated entries
 • Save folder input dialog pre-fills with the currently set path
-• SLSA provenance attestation re-enabled (`upload-assets: true`)
-
----
-
-### v0.4.1 — Persistent config & split-layout picker
-
-**UI**
-• Split-layout backup picker — file list on left, live GVAS metadata on right
-• `►` pip highlight replaces background bar on all menus
-• Blank separator lines for visual grouping in menus
-• "Set Subnautica 2 location" and "Set backup location" menu entries
-• Context-aware header path — title bar shows the relevant file location for the current menu/screen
-
-**Configuration**
-• Persistent `app.ini` — save folder and backup location survive sessions
-• Config stored in platform-standard directory (`AppData/Local` on Windows)
-• UE5 `.ini` backups stored in `backups/ue5/` under the backup root
-• Logs moved to `data_local_dir/NotAlterra/logs/`
-
-**Security & Documentation**
-• Security disclosure pipeline: SECURITY.md safe harbor, CVE template, bug report template, PR template
-• GitHub Private Vulnerability Reporting enabled
-• All docs updated to accurately describe data persistence
-
-**Maintenance**
-• Zero clippy warnings, zero fmt issues
-• 24/24 tests passing
-
----
-
-### What's new in v0.4.0
-
-• tar.gz backup format — one archive per backup event
-• `--help` / `-h` flag
-• Automatic migration from old `NotAlterra_Backups/` directory-tree format
-• Stale `config.ini` auto-removed from prior versions
+• SLSA provenance attestation re-enabled
 
 Builds:  Linux (amd64)  •  Windows x64