bump black, flake8

nothing seems to have changed...

Change-Id: I7d08b24dc2df0f8a67bd5e704c8d108392a34fa3
(cherry picked from commit fd191b9d4a)

.pre-commit-config.yaml

@@ -2,7 +2,7 @@
 # See https://pre-commit.com/hooks.html for more hooks
 repos:
 -   repo: https://github.com/python/black
-    rev: 25.1.0
+    rev: 25.9.0
     hooks:
     -   id: black
 
@@ -12,7 +12,7 @@ repos:
     -   id: zimports
 
 -   repo: https://github.com/pycqa/flake8
-    rev: 7.2.0
+    rev: 7.3.0
     hooks:
     -   id: flake8
         additional_dependencies:
@@ -37,4 +37,4 @@ repos:
         types: [rst]
         exclude: README.*
         additional_dependencies:
-            - black==25.1.0
+            - black==25.9.0

tox.ini

@@ -253,7 +253,7 @@ extras=
      {[greenletextras]extras}
 
 deps=
-      flake8==7.2.0
+      flake8>=7.3.0
       flake8-import-order>=0.19.2
       flake8-builtins
       flake8-future-annotations>=0.0.5
@@ -265,7 +265,7 @@ deps=
       # in case it requires a version pin
       pydocstyle
       pygments
-      black==25.1.0
+      black==25.9.0
       slotscheck>=0.17.0
 
       # required by generate_tuple_map_overloads