Fix linux wheel builds (#9)

Author: scaramallion

.github/workflows/release-wheels.yml

@@ -9,7 +9,7 @@ jobs:
     name: Build wheels for ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     env:
-      CIBW_SKIP: "cp36-*"
+      CIBW_SKIP: "cp36-* *-musl*"
     strategy:
       fail-fast: false
       matrix: