Use numpy and pyerfa dev in devdeps

.github/workflows/ci_workflows.yml

@@ -94,8 +94,9 @@ jobs:
         python-version: '3.x'
     - name: Install and build
       run: |
-        python -m pip install --upgrade pip setuptools wheel
-        python -m pip install -U numpy pyerfa astropy-iers-data PyYAML packaging
+        python -m pip install -U pip setuptools wheel
+        python -m pip install -U -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy --pre
+        python -m pip install -U -i https://pypi.anaconda.org/liberfa/simple pyerfa --pre
         python -m pip install -U -i https://pypi.anaconda.org/astropy/simple astropy --pre
         python -m pip install git+https://github.com/ejeschke/ginga.git@main#egg=ginga
         python -m pip install -e .[test]