Try fixing upload asset to Github

Author: ian-h-chamberlain

.github/workflows/publish.yml

@@ -31,12 +31,10 @@ jobs:
       run: npm run package -- --out redcode-${{ steps.release.outputs.tag_name }}.vsix
 
     - name: Upload extension to Github
-      uses: actions/upload-release-asset@v1
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
       with:
-        upload_url: ${{ steps.release.outputs.upload_url }}
-        asset_path: redcode-${{ steps.release.outputs.tag_name }}.vsix
-        asset_name: redcode-${{ steps.release.outputs.tag_name }}.vsix
-        asset_content_type: application/vsix
+        files: redcode-${{ steps.release.outputs.tag_name }}.vsix
 
     - name: Publish extension to VSCode marketplace
       run: npm run publish