dry run on test pypi

Author: agoscinski

.github/workflows/cd.yml

@@ -100,7 +100,7 @@ jobs:
             run: pip install flit~=3.4
 
         -   name: Build and publish
-            run: flit publish
+            run: flit publish --repository https://test.pypi.org/legacy/
             env:
                 FLIT_USERNAME: __token__
                 FLIT_PASSWORD: ${{ secrets.PYPI_KEY }}

src/plumpy/__init__.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # mypy: disable-error-code=name-defined
-__version__ = '0.25.0'
+__version__ = '0.25.0rc0'
 
 import logging