Release job

Author: sharpninja

.github/workflows/packages.yml

@@ -87,6 +87,10 @@ jobs:
     env:
       ARTIFACT_FOLDER: "${{ github.workspace }}/nuget"
     steps:
+    - name: Checkout
+      uses: actions/checkout@v1
+    - name: Setup GitVersion
+      run: dotnet tool install gitversion.tool -g
     - name: Download a Build Artifact
       uses: actions/[email protected]
       with: