Remove TODO to use a matrix for release workflow

A matrix would be more difficult to manage because
all the artifacts would need to be uploaded and then downloaded
to attach to the release

Author: leptos-null

.github/workflows/release.yml

@@ -8,7 +8,6 @@ on:
 jobs:
   release:
     # We need to use an old runner for Xcode 11.7
-    # TODO: Use a matrix instead
     runs-on: macos-11
     steps:
     - uses: actions/checkout@v4