[network-manager-applet/barthalion/gnome-runtime-images-quay] flatpak: Build the 1.8.40 tag for libnma

[Felipe Borges <felipeborges src gnome org>]

commit af40c6f13e3512d357251f41b60b2162c184c930
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Aug 5 11:03:27 2022 +0200

    flatpak: Build the 1.8.40 tag for libnma
    
    "main" fails to build.

 build-aux/flatpak/org.gnome.nm_connection_editor.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.nm_connection_editor.json 
b/build-aux/flatpak/org.gnome.nm_connection_editor.json
index d4a9f8f3..b8540c81 100644
--- a/build-aux/flatpak/org.gnome.nm_connection_editor.json
+++ b/build-aux/flatpak/org.gnome.nm_connection_editor.json
@@ -179,7 +179,7 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "branch" : "main",
+                    "tag" : "1.8.40",
                     "url" : "https://gitlab.gnome.org/GNOME/libnma.git";
                 }
             ]