Updated files with 'repo_helper'. (#4)

Co-authored-by: repo-helper[bot] <74742576+repo-helper[bot]@users.noreply.github.com>

Author: repo-helper[bot]

README.rst

@@ -105,7 +105,6 @@ To install with ``pip``:
 
 .. end installation
 
-
 Use with GitHub Actions
 ----------------------------
 

tox.ini

@@ -71,8 +71,9 @@ deps =
     git+https://github.com/domdfcoding/flake8-quotes.git
     git+https://github.com/domdfcoding/flake8-rst-docstrings.git
     git+https://github.com/domdfcoding/flake8-rst-docstrings-sphinx.git@v2
+    git+https://github.com/domdfcoding/flake8-github-actions
     pygments>=2.7.1
-commands = python3 -m flake8_rst_docstrings_sphinx flake8_github_actions --allow-toolbox
+commands = python3 -m flake8_rst_docstrings_sphinx flake8_github_actions --allow-toolbox {posargs}
 
 [testenv:mypy]
 basepython = python3.6