ci: remove windows and macos builds

Author: wvffle

.github/workflows/release.yml

@@ -18,13 +18,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
   upload-assets:
-    strategy:
-      matrix:
-        os:
-          - ubuntu-latest
-          - macos-latest
-          - windows-latest
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: taiki-e/upload-rust-binary-action@v1