docs: Add release notes for v6.0.0a14

DIRACGrid CI · DIRACGrid CI · commit 92aea3894569 · 2025-05-26T08:26:25.000Z
diff --git a/release.notes b/release.notes
@@ -1,3 +1,6 @@
+[v6.0.0a14]
+
+
 [v6.0.0a13]
 
 CHANGE: (#777) Use WebAppHandler
