docs: Add release notes for v6.0.0a8

DIRACGrid CI · DIRACGrid CI · commit f8679fc4fad3 · 2024-06-05T15:21:42.000Z
diff --git a/release.notes b/release.notes
@@ -1,3 +1,7 @@
+[v6.0.0a8]
+
+FIX: (#762) do not display the exception in the web browser
+
 [v6.0.0a7]
 
 FIX: (#756) removed group from ProxyManager
