message: ci: add concurrency for package workflow
diff: name: Package
  +concurrency:
  + group: package-${{ github.ref }}
  + cancel-in-progress: true
  +
  on:
  push:
  branches:
  @@ -150,13 +154,10 @@ jobs:
  run: |
  Set-ExecutionPolicy RemoteSigned -scope CurrentUser
  Invoke-Expression (New-Object System.Net.WebClient).DownloadString('https://get.scoop.sh')
  - scoop bucket add extras
  scoop install yasm
  - - uses: actions/checkout@v2
  - - name: Set Env
  - run: |
  echo ("GIT_TAG_NAME=" + $env:GITHUB_REF.replace('refs/heads/pkg/', '')) >> $env:GITHUB_ENV
  echo ("PATH=" + $env:PATH + ";" + $env:USERPROFILE + "\scoop\shims;C:\msys64\mingw64\bin") >> $env:GITHUB_ENV
  + - uses: actions/checkout@v2
  - name: Build
  run: |
  devtools/windows/make prod
  