fix manifest update

.github/workflows/update-winget-manifest.yml

@@ -17,12 +17,10 @@ jobs:
         - name: Publish winget manifest
           run: .\winget\Publish.ps1 -Channel Canary -Version Latest -Output .\winget\
         - name: Update winget manifest
-          env:
-            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           run: |
             git config user.name "Johnny Shaw"
             git config user.email [email protected]
             git checkout main
             git add .
             git commit -m "update winget manifest"
-            git push
+            git push https://${{ secrets.PUSH_TOKEN }}@github.com/winsiderss/si-builds main