[gnome-builder] org.gnome.Builder.json: pin sysprof to 3-44 branch

[Christian Hergert <chergert src gnome org>]

commit 39fbd078ab436231af26589a71229f3bed4ecafe
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 1 13:13:03 2022 -0700

    org.gnome.Builder.json: pin sysprof to 3-44 branch
    
    Sysprof is going to switch to GTK 4 soon and this ensures we don't get
    that branch in the mean time.

 build-aux/flatpak/org.gnome.Builder.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Builder.json b/build-aux/flatpak/org.gnome.Builder.json
index 82275074e..6044cec9f 100644
--- a/build-aux/flatpak/org.gnome.Builder.json
+++ b/build-aux/flatpak/org.gnome.Builder.json
@@ -419,7 +419,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/sysprof.git";
+                    "url" : "https://gitlab.gnome.org/GNOME/sysprof.git";,
+                    "branch" : "sysprof-3-44"
                 }
             ]
         },