added image updates to the list of revdate triggers

Author: janajaeger

xml/docu_styleguide.smartdocs.xml

@@ -449,6 +449,10 @@ ultrashort description for social media, max. 55 chars</meta>
             <entry>Added a new feature or deleted an obsolete one</entry>
             <entry>Yes</entry>
           </row>
+          <row>
+            <entry>Image change (non-cosmetic)</entry>
+            <entry>Yes</entry>
+          </row>
           <row>
             <entry>Fixed a broken link</entry>
             <entry>Yes</entry>

xml/docu_styleguide.structure.xml

@@ -3292,6 +3292,10 @@ There are less than 4 GB of space available on the selected partition.</screen>
             <entry>Added a new feature or deleted an obsolete one</entry>
             <entry>Yes</entry>
           </row>
+          <row>
+            <entry>Image change (non-cosmetic)</entry>
+            <entry>Yes</entry>
+          </row>
           <row>
             <entry>Fixed a broken link</entry>
             <entry>Yes</entry>