Fix version used in release (#1172)

Author: manthey

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
         with:
           python-version: "3.x"
       - run: python -m pip install setuptools_scm
-      - run: python -c "from setuptools_scm import get_version; print(get_version()); open('histomicstk/_version.py', 'w').write(f'__version__ = {get_version()!r}\n')"
+      - run: python -c "from setuptools_scm import get_version; print(get_version()); open('histomicstk/_version.py', 'w').write(f'__version__ = {str(get_version()).split('+')[0]!r}\n')"
       - run: cat histomicstk/_version.py
       - shell: bash
         run: |