[site] bump version

Author: tstack

docs/_config.yml

@@ -19,7 +19,7 @@
 # in the templates via {{ site.myvariable }}.
 
 title: The Logfile Navigator
-version: 0.12.4
+version: 0.13.1
 email: support@lnav.org
 description: >- # this means to ignore newlines until "baseurl:"
   The Logfile Navigator, lnav for short, is an advanced log file viewer