ci: build musllinux_1_1 wheels (#3523)

This is needed to include uv in manylinux, which has both the
musllinux_1_1 and musllinux_1_2 images.

## Summary

We are looking into including uv in the `pypa/manylinux` docker images,
so that cibuildwheel will be able to use it. But to do so, we need all
actively supported images to be able to take it, including
musllinux_1_1.

## Test Plan

The test was updated to make sure Alpine 3.12, which musllinux was based
on, can run uv.

The binary build does need to be triggered on this PR to make sure it
works. Ah,
5b6040184d/.github/workflows/build-binaries.yml (L15-L20)
is a good idea, nice.

Will need a followup to fill out the other platforms `pypa/manylinux`
supports for musllinux.

---------

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

.github/workflows/build-binaries.yml

@@ -509,18 +509,19 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.target }}
-          manylinux: musllinux_1_2
+          manylinux: musllinux_1_1
           args: --release --locked --out dist --features self-update
       - name: "Test wheel"
         if: matrix.target == 'x86_64-unknown-linux-musl'
         uses: addnab/docker-run-action@v3
         with:
-          image: alpine:latest
+          image: alpine:3.12
           options: -v ${{ github.workspace }}:/io -w /io
           run: |
             apk add python3
-            python -m venv .venv
-            .venv/bin/pip3 install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
+            python3 -m venv .venv
+            .venv/bin/pip install --upgrade pip
+            .venv/bin/pip install ${{ env.PACKAGE_NAME }} --no-index --find-links dist/ --force-reinstall
             .venv/bin/${{ env.MODULE_NAME }} --help
       - name: "Upload wheels"
         uses: actions/upload-artifact@v4
@@ -573,7 +574,7 @@ jobs:
         uses: PyO3/maturin-action@v1
         with:
           target: ${{ matrix.platform.target }}
-          manylinux: musllinux_1_2
+          manylinux: musllinux_1_1
           args: --release --locked --out dist --features self-update
           docker-options: ${{ matrix.platform.maturin_docker_options }}
       - uses: uraimo/run-on-arch-action@v2