Preemptively tweak an isort setting.

And bump the minimum tox version.

Author: Julian

pyproject.toml

@@ -101,6 +101,7 @@ path = "CHANGELOG.rst"
 pattern = "(^v.+?)\nv"
 
 [tool.isort]
+combine_as_imports = true
 from_first = true
 include_trailing_comma = true
 multi_line_output = 3

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-min_version = 4.0.7
+min_version = 4.0.9
 envlist =
     py{37,38,39,310,311,py3}-{noextra,format,formatnongpl}-{build,tests}
     {noextra,format,formatnongpl}-audit