[gtksourceview] Adwaita.xml: tweak Python format styling

[Christian Hergert <chergert src gnome org>]

commit 09f76a9982a88d682b543ba31d14c57d225d48d4
Author: Christian Hergert <chergert redhat com>
Date:   Thu Dec 30 11:56:33 2021 -0800

    Adwaita.xml: tweak Python format styling
    
    This includes %(foo)s type formatting within strings.

 data/styles/Adwaita.xml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/styles/Adwaita.xml b/data/styles/Adwaita.xml
index 2e54c47a..893cd395 100644
--- a/data/styles/Adwaita.xml
+++ b/data/styles/Adwaita.xml
@@ -134,6 +134,7 @@
   <style name="python:function-name"        foreground="teal"/>
   <style name="python:builtin-constant"     bold="true"/>
   <style name="python:multiline-string"     foreground="text2"/>
+  <style name="python:format"               foreground="blue3"/>
 
   <style name="json:keyname"                foreground="teal" bold="true"/>
   <style name="json:string"                 foreground="text5"/>