Bump version to 0.3-6

Change-Id: I8338b0238d00205a171198e540b717874e816a65

version.bzl

diff --git a/version.bzl b/version.bzl
index 77853e2..2094755 100644
--- a/version.bzl
+++ b/version.bzl
@@ -4,4 +4,4 @@
 # we currently have no stable releases, we use the "build number" scheme
 # described at:
 # https://www.mojohaus.org/versions-maven-plugin/version-rules.html
-GITILES_VERSION = "0.3-5"
+GITILES_VERSION = "0.3-6"