Update to Go 1.11.4

Fixes #5524

.circleci/config.yml

@@ -1,6 +1,6 @@
 defaults: &defaults
   docker:
-      - image: bepsays/ci-goreleaser:1.11-2
+      - image: bepsays/ci-goreleaser:1.11-3
   environment:
     CGO_ENABLED: "0"
 

.travis.yml

@@ -7,7 +7,7 @@ env:
 git:
   depth: false
 go:
-  - 1.11
+  - "1.11.4"
   - tip
 os:
   - linux

snap/snapcraft.yaml

@@ -26,7 +26,7 @@ parts:
 
   hugo:
     plugin: nil
-    build-snaps: [go/1.11/stable]
+    build-snaps: [go/1.11.4/stable]
     source: .
     override-build: |
       set -ex