Update publish.yml (#43)

.ci/publish.yml

@@ -2,6 +2,8 @@ trigger:
   tags:
     include:
       - v*
+variables:
+  Codeql.Enabled: true
 
 pr: none
 
@@ -21,4 +23,4 @@ stages:
               repository: "azuredevx/github-nginx-cache"
               tags: |
                 $(Build.SourceBranchName)
-                latest
+                latest