fix go install

Author: lecorguille

tasks/main.yml

@@ -66,7 +66,7 @@
     GOPATH: '{{ golang_gopath }}'
 
 - name: singularity | install Go dependencies
-  command: go install -v github.com/golang/dep/cmd/dep
+  command: go install -v github.com/golang/dep/cmd/dep@latest
   environment:
     PATH: '{{ golang_install_dir }}/bin:{{ ansible_env.PATH }}'
     GOROOT: '{{ golang_install_dir }}'