Adjust version number in statistics file

keys/keys.xml

@@ -3,7 +3,7 @@
 <book>
   <bookinfo>
     <title>Inkscape keyboard and mouse reference</title>
-    <edition>Version 1.0</edition> <!-- TODO: Use placeholder for version and consider making it auto-updating. -->
+    <edition>Version 1.1</edition> <!-- TODO: Use placeholder for version and consider making it auto-updating. -->
     <!-- TRANSLATORS: $revision_date placeholder will be replaced with the actual date as part of build process -->
     <pubdate>Last revision: $revision_date</pubdate>
     <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="keys-authors.xml" />