Fix how to push to nuget (again)

Author: pmiossec

.github/workflows/dotnetcore.yml

@@ -19,11 +19,7 @@ jobs:
     - name: Build & package with dotnet
       run: dotnet pack --configuration Release
 
-    - name: Setup NuGet.exe for use with actions
-      uses: NuGet/[email protected]
-
-    - name: Add private GitHub registry to NuGet
-      run: nuget setApiKey ${{ secrets.NUGET_PUSH_TOKEN }}
-
-    - name: Push to GitHub nuget feed
-      run: nuget push "src/GitExtensions.AzureDevOpsCommitMessage/bin/Release/GitExtensions.AzureDevOpsCommitMessage.*.nupkg" -Source https://api.nuget.org/v3/index.json
+    - name: Push to Nuget.org nuget feed
+      run: |
+        cd "src/GitExtensions.AzureDevOpsCommitMessage/bin/Release"
+        dotnet nuget push *.nupkg -k ${{ secrets.NUGET_PUSH_TOKEN }} -s https://api.nuget.org/v3/index.json