Merge pull request #599 from justeph/ci-add-riscv64-support

ci: add riscv64 manylinux/musllinux wheels

Author: mrabarnett

.github/workflows/main.yml

@@ -144,15 +144,15 @@ jobs:
           name: regex-files-manylinux2014
           path: wheelhouse/*.whl
 
-  # Build and upload aarch64/ppc64le/s390x wheels.
+  # Build and upload aarch64/ppc64le/riscv64/s390x wheels.
   build_arch_wheels:
     name: Build ${{ matrix.arch }} Linux wheels
     if: github.event_name == 'push'
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        arch: [aarch64, ppc64le, s390x]
+        arch: [aarch64, ppc64le, riscv64, s390x]
 
     env:
       CIBW_ARCHS_LINUX: ${{ matrix.arch }}