Split publish steps into separate jobs (#33)

Author: kudima03

.github/workflows/publish-nuget.yml

@@ -12,11 +12,6 @@ jobs:
   build:
     name: Build Package
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-      attestations: write
-      id-token: write
     defaults:
       run:
         working-directory: ./src
@@ -28,7 +23,37 @@ jobs:
         dotnet-version: 10.x.x
     - name: Package
       run: dotnet pack --configuration Release -p:PackageVersion=${{ github.ref_name }} --output .
+    - name: Upload package artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: nupkg
+        path: src/*.nupkg
+
+  publish-github:
+    name: Publish to GitHub packages
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+    steps:
+    - name: Download package artifact
+      uses: actions/download-artifact@v4
+      with:
+        name: nupkg
     - name: Publish to GitHub packages
       run: dotnet nuget push *.nupkg --api-key ${{ secrets.GITHUB_TOKEN }} --source ${{ env.PACKAGES_URL }}/${{ github.repository_owner }}/index.json
+
+  publish-nuget:
+    name: Publish to NuGet
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - name: Download package artifact
+      uses: actions/download-artifact@v4
+      with:
+        name: nupkg
     - name: Publish to NuGet
       run: dotnet nuget push *.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json