fix release flow

.github/workflows/main.yml

@@ -1,9 +1,6 @@
 name: Build Windows Executable
 
 on:
-  push:
-    branches:
-      - main
   release:
     types: [published]
 
@@ -17,7 +14,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-        python-version: '3.x'
+          python-version: "3.x"
 
       - name: Install dependencies
         run: |
@@ -31,7 +28,7 @@ jobs:
       - name: Build installer
         uses: nadeemjazmawe/inno-setup-action-cli@v6.0.5
         with:
-          filepath: './mmrelay.iss'
+          filepath: "./mmrelay.iss"
 
       - name: Upload setup.exe to release
         uses: actions/upload-release-asset@v1
@@ -41,5 +38,6 @@ jobs:
           asset_content_type: application/octet-stream
           tag_name: ${{ github.event.release.tag_name }}
           release_id: ${{ github.event.release.id }}
+          upload_url: ${{ github.event.release.upload_url }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}