update requirements

requirements/dev.txt

@@ -10,19 +10,25 @@
 -r typing.txt
 build==0.9.0
     # via pip-tools
+cachetools==5.2.0
+    # via tox
 cfgv==3.3.1
     # via pre-commit
+chardet==5.1.0
+    # via tox
 click==8.1.3
     # via
     #   pip-compile-multi
     #   pip-tools
+colorama==0.4.6
+    # via tox
 distlib==0.3.6
     # via virtualenv
-filelock==3.8.0
+filelock==3.8.2
     # via
     #   tox
     #   virtualenv
-identify==2.5.9
+identify==2.5.11
     # via pre-commit
 nodeenv==1.7.0
     # via pre-commit
@@ -30,25 +36,25 @@ pep517==0.13.0
     # via build
 pip-compile-multi==2.6.1
     # via -r requirements/dev.in
-pip-tools==6.10.0
+pip-tools==6.12.1
     # via pip-compile-multi
-platformdirs==2.5.4
-    # via virtualenv
+platformdirs==2.6.0
+    # via
+    #   tox
+    #   virtualenv
 pre-commit==2.20.0
     # via -r requirements/dev.in
-py==1.11.0
+pyproject-api==1.2.1
     # via tox
 pyyaml==6.0
     # via pre-commit
-six==1.16.0
-    # via tox
 toml==0.10.2
     # via pre-commit
 toposort==1.7
     # via pip-compile-multi
-tox==3.27.1
+tox==4.0.16
     # via -r requirements/dev.in
-virtualenv==20.16.7
+virtualenv==20.17.1
     # via
     #   pre-commit
     #   tox