[gnome-builder] plugins/meson-templates: set werror=false as default option

[Christian Hergert <chergert src gnome org>]

commit 7465ae12a14d532b7047299d6231e17179684ad0
Author: Christian Hergert <chergert redhat com>
Date:   Sun Mar 27 13:20:35 2022 -0700

    plugins/meson-templates: set werror=false as default option
    
    It makes it less likely to break compiles when dependencies change outside
    our immediate control, like deprecations.

 src/plugins/meson-templates/resources/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/plugins/meson-templates/resources/meson.build 
b/src/plugins/meson-templates/resources/meson.build
index a73b3eb77..29d36f389 100644
--- a/src/plugins/meson-templates/resources/meson.build
+++ b/src/plugins/meson-templates/resources/meson.build
@@ -3,6 +3,7 @@ project('{{name}}',{{if language == "c"}} 'c',{{else if language == "c++"}} ['cp
           version: '{{project_version}}',
     meson_version: '>= 0.59.0',
   default_options: [ 'warning_level=2',
+                     'werror=false',
 {{if language == "c"}}
                      'c_std=gnu11',
 {{end}}