Merge pull request apache#108 from liu-sheng/bump-go-version-up

Bump the go version up to 1.10

Author: kiwik

roles/install-golang/defaults/main.yml

@@ -1,2 +1,2 @@
 ---
-go_tarball: 'go1.9.linux-amd64.tar.gz'
+go_tarball: 'go1.10.linux-amd64.tar.gz'