Merge pull request #128 from astrofrog/pip-dev-pre

Include --pre flag in pip command to install developer version of numpy in wheel builds

.github/workflows/publish.yml

@@ -29,7 +29,7 @@ jobs:
       # the build isolation and explicitly install the latest developer version of numpy as well as
       # the latest stable versions of all other build-time dependencies.
       env: |
-        CIBW_BEFORE_BUILD: '${{ ((github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request') && 'pip install --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple setuptools setuptools_scm jinja2 numpy>=0.0.dev0') || '' }}'
+        CIBW_BEFORE_BUILD: '${{ ((github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request') && 'pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple setuptools setuptools_scm jinja2 numpy') || '' }}'
         CIBW_BUILD_FRONTEND: '${{ ((github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request') && 'pip; args: --no-build-isolation') || 'build' }}'
 
       test_extras: test