ci: Fix python 3.4 windows build updating version of setuptools

See scikit-build/scikit-build#320 and scikit-build/cmake-python-distributions#37

Author: jcfr

scikit-ci.yml

@@ -27,6 +27,7 @@ install:
   commands:
     - python --version
     - python -m pip install --disable-pip-version-check --upgrade pip
+    - pip install -U setuptools
     - $<RUN_ENV> pip install -U -r requirements-dev.txt
 
 before_build: