add wheel build to tox

Author: TimMonko

tox.ini

@@ -1,6 +1,6 @@
 # For more information about tox, see https://tox.readthedocs.io/en/latest/
 [tox]
-envlist = py{39,310,311,312}-{linux,macos,windows}
+envlist = py{39,310,311,312,313}-{linux,macos,windows}
 isolated_build=true
 
 [gh-actions]
@@ -17,6 +17,8 @@ PLATFORM =
     windows-latest: windows
 
 [testenv]
+package = wheel
+wheel_build_env = .pkg
 platform =
     macos: darwin
     linux: linux