Bumping go build version to 1.15.x (#138)

azure-pipelines-release.yml

@@ -21,7 +21,7 @@ steps:
     command: 'login'
 - task: GoTool@0
   inputs:
-    version: '1.14'
+    version: '1.15.x'
 
 - script: |
     git config --global url.ssh://git@github.com/.insteadOf https://github.com/

azure-pipelines.yml

@@ -36,7 +36,7 @@ steps:
     containerRegistry: mocimages-connection
 - task: GoTool@0
   inputs:
-    version: '1.14'
+    version: '1.15.x'
 
 - script: |
     git config --global url.ssh://git@github.com/.insteadOf https://github.com/
@@ -83,4 +83,4 @@ steps:
 
 - publish: $(System.DefaultWorkingDirectory)/templates
   artifact: templates
-  
+  

go.mod

@@ -1,6 +1,6 @@
 module github.com/microsoft/cluster-api-provider-azurestackhci
 
-go 1.14
+go 1.15
 
 require (
 	github.com/Azure/go-autorest/autorest v0.10.0 // indirect