docs: update changelog for 5.0.4 (#304)

Signed-off-by: Daniel Edwards <Daniel.Edwards@vector.com>

Author: VDanielEdwards

docs/changelog/versions/latest.md

@@ -1,7 +1,17 @@
-# [5.0.4] - UNRELEASED
+# [5.0.4] - 2026-03-27
 
-## Fixed
+This is a Quality Assured Release.
+
+## Changed
+
+- `docs`: removed 'Vector' prefix where SIL Kit is mentioned in multiple places
 
 - `demos`: improved code quality
+
+## Fixed
+
 - `pubsub` / `rpc`: fix some edge cases when matching labels
-- `Lin controller`: fixed TX/RX behaviour when controller is not operational
+
+- `lin`: fixed TX/RX behavior when controller is not operational
+
+- `lin`: populate the `timestamp` field in `LinControllerStatusUpdate` message