chore(dependencies): update dependency tox-gh-actions to ^2.6.0

Author: renovate-bot

poetry.lock

@@ -32,7 +32,7 @@ black = "^20.8b1"
 coverage = "^5.3.1"
 isort = "^5.8.0"
 tox = "^3.23.1"
-tox-gh-actions = "^2.5.0"
+tox-gh-actions = "^2.6.0"
 
 [build-system]
 build-backend = "poetry.core.masonry.api"