fixup! workflow: update for workflow changes

Author: loathingKernel

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
       - uses: svenstaro/upload-release-action@v2
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: rare-${{ github.ref_name }}-x86_64.flatpak
+          file: rare-${{ github.ref_name }}.flatpak
           asset_name: rare-${{ github.ref_name }}-x86_64.flatpak
           tag: ${{ github.ref_name }}
           overwrite: true