tweak CI docs-deploy

Author: avaldebe

.github/workflows/new_version.yml

@@ -19,7 +19,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install tox
       - name: Update docs
-        run: tox -e docs-deploy
+        run: tox -e docs-deploy -- --force
 
   test:
     runs-on: ubuntu-latest

pyproject.toml

@@ -121,7 +121,7 @@ deps =
 
 [testenv:docs-deploy]
 deps = {[testenv:docs]deps}
-commands = mkdocs gh-deploy --clean
+commands = mkdocs gh-deploy {posargs:--clean}
 """
 
 [tool.pytest.ini_options]