docs: Add release notes for v6.0.0

DIRACGrid CI · DIRACGrid CI · commit 4396fe824fbc · 2025-10-27T11:13:08.000Z
diff --git a/release.notes b/release.notes
@@ -1,3 +1,6 @@
+[v6.0.0]
+
+
 [v6.0.0a17]
 
 

-Original file line number
+Diff line change
@@ @@ -1,3 +1,6 @@ @@
 +[v6.0.0]
++
++
 [v6.0.0a17]