ci: fix the build

Author: Jacques Kang

build/azure-pipelines.yml

@@ -26,6 +26,6 @@ steps:
 - script: |
     git config --global user.name "Azure DevOps"
     git config --global user.email "[email protected]"
-    git tag -a $(Build.BuildNumber) -m "v$(Build.BuildNumber)"
-    git push origin $(Build.BuildNumber)
+    git tag -a "v$(Build.BuildNumber)" -m "v$(Build.BuildNumber)"
+    git push origin "v$(Build.BuildNumber)"
   displayName: Tag source

build/templates/pack-publish.yml

@@ -4,6 +4,7 @@ steps:
   inputs:
     command: 'pack'
     packagesToPack: 'src/**/*.csproj'
+    configuration: Release
     nobuild: true
     versioningScheme: 'byEnvVar'
     versionEnvVar: 'Build.BuildNumber'