⬆️🪝 Update pre-commit hook adamchainz/blacken-docs to v1.19.1

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.pre-commit-config.yaml

@@ -67,7 +67,7 @@ repos:
 
   # Also run Black on examples in the documentation
   - repo: https://github.com/adamchainz/blacken-docs
-    rev: 1.19.0
+    rev: 1.19.1
     hooks:
       - id: blacken-docs
         additional_dependencies: [black==24.*]