[gnome-builder] plugins/meson-templates: fix trailing comma in rust template

[Christian Hergert <chergert src gnome org>]

commit b4caf886ee6dd5a18ebe7b1dea1c58bade5e3065
Author: Marco Melorio <marco melorio protonmail com>
Date:   Wed Jul 20 01:13:19 2022 +0000

    plugins/meson-templates: fix trailing comma in rust template

 src/plugins/meson-templates/resources/src/application-gtk4.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/plugins/meson-templates/resources/src/application-gtk4.rs 
b/src/plugins/meson-templates/resources/src/application-gtk4.rs
index c6144fe7f..6bad3c8de 100644
--- a/src/plugins/meson-templates/resources/src/application-gtk4.rs
+++ b/src/plugins/meson-templates/resources/src/application-gtk4.rs
@@ -95,7 +95,7 @@ impl {{PreFix}}Application {
             .developer_name("{{author}}")
             .version(VERSION)
             .developers(vec!["{{author}}".into()])
-            .copyright("© {{year}} {{author}}"),
+            .copyright("© {{year}} {{author}}")
             .build();
 {{else}}
         let about = gtk::AboutDialog::builder()
@@ -105,7 +105,7 @@ impl {{PreFix}}Application {
             .logo_icon_name("{{appid}}")
             .version(VERSION)
             .authors(vec!["{{author}}".into()])
-            .copyright("© {{year}} {{author}}"),
+            .copyright("© {{year}} {{author}}")
             .build();
 {{end}}