INTPYTHON-380 Finish remaining QA

Author: blink1073

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      actions:
+        patterns:
+          - "*"
+  # Python
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.pre-commit-config.yaml

@@ -35,6 +35,12 @@ repos:
     args: ["-L", "nd"]
     stages: [manual]
 
+- repo: https://github.com/adamchainz/blacken-docs
+  rev: "1.19.1"
+  hooks:
+    - id: blacken-docs
+      additional_dependencies: [black==24.*]
+
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
   rev: v0.9.1