[gnome-builder] plugins/flatpak: downgrade message to debug

[Christian Hergert <chergert src gnome org>]

commit 67327963ab488b00359209067bd45daf6049bac7
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 22 17:55:33 2022 -0700

    plugins/flatpak: downgrade message to debug

 src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c 
b/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c
index 3dea094e6..c3bcd5360 100644
--- a/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c
+++ b/src/plugins/flatpak/daemon/ipc-flatpak-service-impl.c
@@ -887,7 +887,7 @@ install_worker (GTask        *task,
         }
     }
 
-  g_message ("Installation complete");
+  g_debug ("Installation complete");
 
   ipc_flatpak_transfer_set_fraction (state->transfer, 1.0);
   ipc_flatpak_transfer_set_message (state->transfer, _("Installation complete"));