Support musllinux builds for some variety.

.github/workflows/build-libraries.yaml

@@ -36,9 +36,38 @@ jobs:
           name: ${{ env.ARTIFACT_NAME }}
           path: hdf5/${{ env.ARTIFACT_NAME }}.tar.gz
 
+  build_musllinux_x86_64:
+    name: Build musllinux (x86_64)
+    runs-on: ubuntu-latest
+    container:
+      image: quay.io/pypa/musllinux_1_1_x86_64
+    env:
+      ARTIFACT_NAME: musllinux_x86_64
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up CMake
+        uses: lukka/get-cmake@latest
+
+      - name: Install wget
+        run: apk add --no-cache wget
+
+      - name: Run the build
+        run: |
+            git config --global --add safe.directory $(pwd)
+            ./build.sh "${ARTIFACT_NAME}"
+
+      - name: Upload tarball
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.ARTIFACT_NAME }}
+          path: hdf5/${{ env.ARTIFACT_NAME }}.tar.gz
+
   publish:
     name: Publish libraries
-    needs: [build_manylinux_x86_64]
+    needs: [build_manylinux_x86_64, build_musllinux_x86_64]
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest