Update nuget-publish.yml

Author: jaccz

.github/workflows/nuget-publish.yml

@@ -1,6 +1,9 @@
 name: Publish a NuGet package
 
-on: [push]
+on:
+  push:
+    branches:
+      - main
 
 env:
   # Path to the solution file relative to the root of the project.
@@ -34,7 +37,7 @@ jobs:
       run: nuget pack
 
     - name: Authenticate to GitHub packages
-      run: dotnet nuget add source --username jaccz --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name pict "https://nuget.pkg.github.com/microsoft/index.json"
-     
+      run: dotnet nuget add source --password ${{ secrets.NUGET_API_KEY }} --name pict "https://nuget.pkg.github.com/microsoft/index.json"
+
     - name: Publish the package
-      run: dotnet nuget push "Microsoft.Test.Pict.*.nupkg" --api-key ${{ secrets.GITHUB_TOKEN }} --source "pict" --skip-duplicate
+      run: dotnet nuget push "Microsoft.Test.Pict.*.nupkg" --api-key ${{ secrets.NUGET_API_KEY }} --source "pict" --skip-duplicate