Update publish env deps

Author: dmtucker

tox.ini

@@ -91,7 +91,7 @@ testpaths = tests
 [testenv:publish]
 passenv = TWINE_*
 deps =
-    build ~= 0.8.0
+    build[virtualenv] ~= 0.9.0
     twine ~= 4.0.0
 commands =
     {envpython} -m build --outdir {distdir} .