fixed windows release arm64 builds

.github/workflows/build.yml

@@ -275,6 +275,7 @@ jobs:
       run: node scripts/build-windows.js
       if: github.repository == 'Eugeny/tabby' && github.event_name == 'push' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags'))
       env:
+        ARCH: ${{matrix.arch}}
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         WIN_CSC_LINK: ${{ secrets.WIN_CSC_LINK }}
         WIN_CSC_KEY_PASSWORD: ${{ secrets.WIN_CSC_KEY_PASSWORD }}