Fix mautrix-discord config Jinja2 syntax error

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/3133

Regression since 4ed522e8fe

roles/custom/matrix-bridge-mautrix-discord/templates/config.yaml.j2

@@ -151,13 +151,13 @@ bridge:
         # Should custom mxc:// URIs be used instead of reuploading media?
         enabled: true
         # Pattern for normal message attachments.
-        attachments: mxc://discord-media.mau.dev/attachments|{{.ChannelID}}|{{.AttachmentID}}|{{.FileName}}
+        attachments: {% raw %}mxc://discord-media.mau.dev/attachments|{{.ChannelID}}|{{.AttachmentID}}|{{.FileName}}{% endraw %}
         # Pattern for custom emojis.
-        emojis: mxc://discord-media.mau.dev/emojis|{{.ID}}.{{.Ext}}
+        emojis: {% raw %}mxc://discord-media.mau.dev/emojis|{{.ID}}.{{.Ext}}{% endraw %}
         # Pattern for stickers. Note that animated lottie stickers will not be converted if this is enabled.
-        stickers: mxc://discord-media.mau.dev/stickers|{{.ID}}.{{.Ext}}
+        stickers: {% raw %}mxc://discord-media.mau.dev/stickers|{{.ID}}.{{.Ext}}{% endraw %}
         # Pattern for static user avatars.
-        avatars: mxc://discord-media.mau.dev/avatars|{{.UserID}}|{{.AvatarID}}.{{.Ext}}
+        avatars: {% raw %}mxc://discord-media.mau.dev/avatars|{{.UserID}}|{{.AvatarID}}.{{.Ext}}{% endraw %}
     # Settings for converting animated stickers.
     animated_sticker:
         # Format to which animated stickers should be converted.