Bring back references to base release commands in release targets

Author: farleyb-amazon

tox.ini

@@ -356,6 +356,7 @@ deps = {[testenv:release-base]deps}
 passenv =
     {[testenv:release-base]passenv}
 commands =
+    {[testenv:release-base]commands}
     twine upload --skip-existing --repository testpypi {toxinidir}/dist/*
 
 [testenv:release]
@@ -365,4 +366,5 @@ deps = {[testenv:release-base]deps}
 passenv =
     {[testenv:release-base]passenv}
 commands =
+    {[testenv:release-base]commands}
     twine upload --skip-existing --repository pypi {toxinidir}/dist/*