⬆️ upgrade black dependency

ff137 · ff137 · commit d0b3a910675f · 2023-07-24T11:55:44.000+02:00
diff --git a/requirements.dev.txt b/requirements.dev.txt
@@ -1,4 +1,4 @@
 anyio~=3.7.0
-black~=23.3.0
+black~=23.7.0
 pytest~=7.4.0
 pytest-mock~=3.11.1
