add 🚀 build tag to builds which go through publishing (#165145)

Author: joaomoreno

build/azure-pipelines/product-publish.yml

@@ -10,6 +10,10 @@ steps:
       KeyVaultName: vscode
       SecretsFilter: "github-distro-mixin-password"
 
+  # allow-any-unicode-next-line
+  - pwsh: Write-Host "##vso[build.addbuildtag]🚀"
+    displayName: Add build tag
+
   - script: |
       set -e
       cat << EOF > ~/.netrc