[pre-commit.ci] autoupdate (#81)

* [pre-commit.ci] autoupdate

updates:
- [github.com/psf/black: 23.7.0 → 23.9.1](psf/black@23.7.0...23.9.1)
- [github.com/rstcheck/rstcheck: v6.1.2 → v6.2.0](rstcheck/rstcheck@v6.1.2...v6.2.0)

* Update black for blacken-docs

---------

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>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -26,7 +26,7 @@ repos:
         language: pygrep
         files: \.(py|sh|rst|yml|yaml)$
 -   repo: https://github.com/psf/black
-    rev: 23.7.0
+    rev: 23.9.1
     hooks:
     -   id: black
         args: [--check, --diff]
@@ -48,10 +48,10 @@ repos:
     rev: 1.16.0
     hooks:
     -   id: blacken-docs
-        additional_dependencies: [black==23.7.0]
+        additional_dependencies: [black==23.9.1]
         exclude: ^(.github/|tests/test_cases/example_unicode.py)
 -   repo: https://github.com/rstcheck/rstcheck
-    rev: v6.1.2
+    rev: v6.2.0
     hooks:
     -   id: rstcheck
         args: [