pre-commit update and extras require sync

Author: RonnyPfannschmidt

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/psf/black
-    rev: 21.7b0
+    rev: 21.8b0
     hooks:
     - id: black
       args: [--safe, --quiet]
@@ -21,7 +21,7 @@ repos:
     hooks:
     -   id: flake8
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.24.0
+    rev: v2.25.0
     hooks:
     - id: pyupgrade
       args: [--py36-plus]

setup.py

@@ -58,6 +58,11 @@ def parse(root, config):
     setuptools.setup(
         setup_requires=["setuptools"],
         version=scm_version(),
-        extras_require={"toml": []},
+        extras_require={
+            "toml": [
+                "setuptools>=42",
+                "tomli>=1.0.0",
+            ],
+        },
         cmdclass={"bdist_egg": bdist_egg},
     )