[gedit] docs: document the GeditProgressInfoBar removal

[Sébastien Wilmet <swilmet src gnome org>]

commit fa9d6aeaace618a8c8d36b14e11c7048a6a8f014
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Nov 11 18:48:05 2020 +0100

    docs: document the GeditProgressInfoBar removal

 docs/reference/api-breaks.xml | 13 +++++++++++++
 1 file changed, 13 insertions(+)
---
diff --git a/docs/reference/api-breaks.xml b/docs/reference/api-breaks.xml
index 8057a16fd..699ba9e7e 100644
--- a/docs/reference/api-breaks.xml
+++ b/docs/reference/api-breaks.xml
@@ -21,6 +21,19 @@
     <link linkend="api-index-deprecated">index of deprecated symbols</link>.
   </para>
 
+  <refsect1>
+    <title>3.38 -> 40</title>
+    <itemizedlist>
+      <listitem>
+        <para>
+          The <code>GeditProgressInfoBar</code> class has been removed, you can
+          use <link linkend="TeplProgressInfoBar">TeplProgressInfoBar</link>
+          instead.
+        </para>
+      </listitem>
+    </itemizedlist>
+  </refsect1>
+
   <refsect1>
     <title>3.36.0 -> 3.37.1</title>
     <itemizedlist>