chore(rootfs/Dockerfile): update go toolchain to 1.11

mboersma · mboersma · commit 8acbdf016912 · 2018-08-27T09:46:29.000-06:00
See https://golang.org/doc/go1.11
diff --git a/rootfs/Dockerfile b/rootfs/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:16.04
 
 ENV AZCLI_VERSION=2.0.42 \
-    GO_VERSION=1.10.3 \
+    GO_VERSION=1.11 \
     GLIDE_VERSION=v0.13.1 \
     GLIDE_HOME=/root \
     GOMETALINTER_VERSION=2.0.5 \
