Upgrade Black for blacken-docs

Author: adamchainz

.pre-commit-config.yaml

@@ -33,7 +33,7 @@ repos:
   hooks:
   - id: blacken-docs
     additional_dependencies:
-    - black==22.10.0
+    - black==23.1.0
 - repo: https://github.com/asottile/reorder_python_imports
   rev: v3.9.0
   hooks:

docs/cache.rst

@@ -407,7 +407,6 @@ Or as a reversible migration:
 
 
     class Migration(migrations.Migration):
-
         dependencies = []
 
         operations = [

docs/migration_operations.rst

@@ -44,7 +44,6 @@ Install Plugin
 
 
         class Migration(migrations.Migration):
-
             dependencies = []
 
             operations = [
@@ -85,7 +84,6 @@ Install SOName
 
 
         class Migration(migrations.Migration):
-
             dependencies = []
 
             operations = [
@@ -132,7 +130,6 @@ Alter Storage Engine
 
 
         class Migration(migrations.Migration):
-
             dependencies = []
 
             operations = [AlterStorageEngine("Pony", from_engine="MyISAM", to_engine="InnoDB")]