Update release notes for v25.4-v25.4.0-beta.2

Author: Automated Release Bot

src/current/_data/versions.csv

@@ -18,4 +18,4 @@ v24.3,2024-11-18,2025-11-18,2026-05-18,24.3.11,24.3.12,2025-05-05,2026-05-05,202
 v25.1,2025-02-18,2025-08-18,N/A,N/A,N/A,N/A,N/A,N/A,v24.3,release-25.1,2029-02-18
 v25.2,2025-05-09,2026-05-12,2026-11-12,N/A,N/A,N/A,N/A,N/A,v25.1,release-25.2,2029-05-09
 v25.3,2025-08-04,2026-02-04,N/A,N/A,N/A,N/A,N/A,N/A,v25.2,release-25.3,2029-08-04
-v25.4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,v25.3,release-25.3,N/A
+v25.4,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,v25.3,release-25.4,N/A