Install the dev dependencies with tox's own mechanism

Author: offbyone

tox.ini

@@ -9,7 +9,6 @@ envlist = py38,py39,py310,py311,py312
 [testenv]
 passenv = *
 deps =
-  py{38,39,310,311,312}: -e .[dev]
+  py{38,39,310,311,312}: -e .[dev,all]
 commands =
-  py{38,39,310,311,312}: pip install -e .[all]
   pytest {posargs:-v --cov=social_core}