Install setuptools on Mac for distutils support

Author: karllessard

Diff for: .github/workflows/ci.yml

@@ -171,7 +171,7 @@ jobs:
     steps:
       - name: Install environment
         run: |
-          python3 -m pip install numpy six
+          python3 -m pip install numpy six setuptools
           echo Downloading Bazel
           curl -L https://github.com/bazelbuild/bazel/releases/download/5.1.1/bazel-5.1.1-installer-darwin-x86_64.sh -o bazel.sh --retry 10
           bash bazel.sh