[polari] flatpak: Enable hardware acceleration

[Marge Bot <marge-bot src gnome org>]

commit 2244261d25cb4d12fcbcf8cda95d509dd5230ee2
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Sep 26 16:55:42 2020 +0200

    flatpak: Enable hardware acceleration
    
    GTK4 will make use of it if it's available, so allow it.
    
    Part-of: <https://gitlab.gnome.org/GNOME/polari/-/merge_requests/225>

 flatpak/org.gnome.Polari.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/flatpak/org.gnome.Polari.json b/flatpak/org.gnome.Polari.json
index e714e3ff..127ce363 100644
--- a/flatpak/org.gnome.Polari.json
+++ b/flatpak/org.gnome.Polari.json
@@ -16,6 +16,7 @@
         "--socket=fallback-x11",
         "--socket=wayland",
         "--share=network",
+        "--device=dri",
         "--own-name=org.freedesktop.Telepathy.Client.Polari",
         "--own-name=org.freedesktop.Telepathy.Client.Polari.*",
         "--talk-name=org.freedesktop.Telepathy.AccountManager",