add ppc64le manylinux wheels

It would be great to have ppc64le manylinux wheels available on PyPI.

Author: gotmax23

pyproject.toml

@@ -13,7 +13,7 @@ before-all = "sh build.sh"
 
 [tool.cibuildwheel.linux]
 repair-wheel-command = "LD_LIBRARY_PATH=/project/ci/lib64 auditwheel repair -w {dest_dir} {wheel}"
-archs = ["x86_64", "aarch64"]
+archs = ["x86_64", "aarch64", "ppc64le"]
 
 [[tool.cibuildwheel.overrides]]
 select = "*-musllinux*"