[gnome-builder] build: Require libpanel >= 1.0.alpha1

[Christian Hergert <chergert src gnome org>]

commit 9c78e4288771a823aa5dc481ace9c0a9e1e61a24
Author: Jeremy Bicha <jeremy bicha canonical com>
Date:   Thu Aug 11 16:00:51 2022 -0400

    build: Require libpanel >= 1.0.alpha1
    
    panel_widget_class_install_action was introduced in this version

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 159f9afcc..7d453dad3 100644
--- a/meson.build
+++ b/meson.build
@@ -297,7 +297,7 @@ libgio_dep = dependency('gio-2.0', version: glib_req)
 libgiounix_dep = dependency('gio-unix-2.0', version: glib_req)
 libgtk_dep = dependency('gtk4', version: gtk_req)
 libadwaita_dep = dependency('libadwaita-1', version: libadwaita_req)
-libpanel_dep = dependency('libpanel-1')
+libpanel_dep = dependency('libpanel-1', version: '>= 1.0.alpha1')
 libgtksource_dep = dependency('gtksourceview-5', version: gtksourceview_req)
 libjson_glib_dep = dependency('json-glib-1.0', version: '>= 1.2.0')
 libjsonrpc_glib_dep = dependency('jsonrpc-glib-1.0', version: '>= 3.42.0')