[neon-notifications] Changes in repo-metadata

[Neon CI]

commit 359d2215d5bfcdeb495c9d7cb84435e63ab7f814
Author: David Faure <faure at kde.org>
Date:   Fri Jun 25 23:08:35 2021 +0200

    Point to stable branch for labplot

diff --git a/dependencies/logical-module-structure b/dependencies/logical-module-structure
index 04e3b43d..fa89c3d7 100644
--- a/dependencies/logical-module-structure
+++ b/dependencies/logical-module-structure
@@ -1872,7 +1872,7 @@
             "stable-qt4": "",
             "latest-qt4": "legacy",
             "kf5-qt5": "master",
-            "stable-kf5-qt5": ""
+            "stable-kf5-qt5": "release/2.8"
         },
         "extragear/multimedia/kaudiocreator": {
             "stable-qt4": "",