update golang version

azure-pipelines.template.yml

@@ -13,7 +13,7 @@ jobs:
   - checkout: none
   - task: GoTool@0
     inputs:
-      version: '1.11.2'
+      version: '1.11.5'
   - script: |
       go version
       go get -v -t -d v2ray.com/core/...

release/release-ci.sh

@@ -38,7 +38,7 @@ echo ${SIGN_KEY_PASS} | gpg --passphrase-fd 0 --batch --import /v2/build/sign_ke
 curl -L -o /v2/build/releases https://api.github.com/repos/v2ray/v2ray-core/releases
 
 GO_INSTALL=golang.tar.gz
-curl -L -o ${GO_INSTALL} https://storage.googleapis.com/golang/go1.11.2.linux-amd64.tar.gz
+curl -L -o ${GO_INSTALL} https://storage.googleapis.com/golang/go1.11.5.linux-amd64.tar.gz
 tar -C /usr/local -xzf ${GO_INSTALL}
 export PATH=$PATH:/usr/local/go/bin