Revert building musllinux wheels (#10)

Author: eleftherioszisis

.github/workflows/publish-sdist-wheels.yml

@@ -6,7 +6,7 @@ env:
 
   CIBW_BUILD_VERBOSITY: 1
   CIBW_BUILD: 'cp*'
-  CIBW_SKIP: 'cp35-* cp36-* cp37-* cp38-* *-manylinux_i686 *-win32'
+  CIBW_SKIP: 'cp35-* cp36-* cp37-* cp38-* *-manylinux_i686 *-win32 *musllinux*'
   CIBW_BEFORE_TEST: pip install -r {project}/tests/requirement_tests.txt
   CIBW_TEST_COMMAND: pytest -s -v {project}/tests
   UNIXY_HDF5_VERSION: 1.14.3