Use native aarch64 manylinux container for ARM64 wheel builds

On the ARM64 runner, maturin-action defaults to the x86_64
cross-compilation container which can't run natively. Specify
the native manylinux_2_28_aarch64 container explicitly.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: dainnilsson

.github/workflows/build.yml

@@ -89,6 +89,7 @@ jobs:
             container: quay.io/pypa/manylinux_2_28_x86_64
           - os: ubuntu-22.04-arm
             target: aarch64
+            container: quay.io/pypa/manylinux_2_28_aarch64
           - os: macos-latest
             target: universal2-apple-darwin
             python-versions: "3.10\n3.11\n3.12\n3.13\n3.14"