[pre-commit.ci] autoupdate (#84)

* [pre-commit.ci] autoupdate

updates:
- [github.com/psf/black: 23.11.0 → 23.12.1](psf/black@23.11.0...23.12.1)

* blacken-docs too

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Peter Cock <p.j.a.cock@googlemail.com>

.pre-commit-config.yaml

@@ -26,7 +26,7 @@ repos:
         language: pygrep
         files: \.(py|sh|rst|yml|yaml)$
 -   repo: https://github.com/psf/black
-    rev: 23.11.0
+    rev: 23.12.1
     hooks:
     -   id: black
         args: [--check, --diff]
@@ -48,7 +48,7 @@ repos:
     rev: 1.16.0
     hooks:
     -   id: blacken-docs
-        additional_dependencies: [black==23.11.0]
+        additional_dependencies: [black==23.12.1]
         exclude: ^(.github/|tests/test_cases/example_unicode.py)
 -   repo: https://github.com/rstcheck/rstcheck
     rev: v6.2.0