V25.2.0 alpha.1 release notes (#19455)

Author: katmayb

src/current/_data/releases.yml

@@ -8451,3 +8451,30 @@
   source: true
   previous_release: v25.1.1
 
+
+
+- release_name: v25.2.0-alpha.1
+  major_version: v25.2
+  release_date: '2025-03-24'
+  release_type: Testing
+  go_version: go1.23.7
+  sha: ccc3f31caec8193d217ce6866dfb3757c1ca47f6
+  has_sql_only: true
+  has_sha256sum: true
+  mac:
+    mac_arm: true
+    mac_arm_experimental: true
+    mac_arm_limited_access: false
+  windows: true
+  linux:
+    linux_arm: true
+    linux_arm_experimental: false
+    linux_arm_limited_access: false
+    linux_intel_fips: true
+    linux_arm_fips: false
+  docker:
+    docker_image: cockroachdb/cockroach-unstable
+    docker_arm: true
+    docker_arm_experimental: false
+    docker_arm_limited_access: false
+  source: true

src/current/_data/versions.csv

@@ -17,3 +17,4 @@ v24.1,2024-05-20,2025-05-20,2025-11-20,24.1.5,24.1.6,2024-10-21,2025-10-21,2026-
 v24.2,2024-08-12,2025-02-12,N/A,N/A,N/A,N/A,N/A,N/A,v24.1,release-24.2,2028-08-12
 v24.3,2024-11-18,2025-11-18,2026-05-18,N/A,N/A,N/A,N/A,N/A,v24.2,release-24.3,N/A
 v25.1,2025-02-18,2026-08-18,N/A,N/A,N/A,N/A,N/A,N/A,v24.3,release-25.1,N/A
+v25.2,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,v25.1,master,N/A