docs: Add release notes for v9.0.0a40

DIRACGrid CI · DIRACGrid CI · commit ddf4621cb268 · 2024-12-19T13:53:20.000Z
diff --git a/release.notes b/release.notes
@@ -1,3 +1,9 @@
+[v9.0.0a40]
+
+*Core
+
+CHANGE: (#7961) Introduce caches to AuthManager.getUsername
+
 [v9.0.0a39]
 
 *WorkloadManagement
