[pre-commit.ci] pre-commit autoupdate (#665)

updates:
- [github.com/psf/black-pre-commit-mirror: 23.12.0 → 23.12.1](psf/black-pre-commit-mirror@23.12.0...23.12.1)
- [github.com/pre-commit/mirrors-mypy: v1.7.1 → v1.8.0](pre-commit/mirrors-mypy@v1.7.1...v1.8.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
     args: ["--py36-plus"]
 
 - repo: https://github.com/psf/black-pre-commit-mirror
-  rev: 23.12.0
+  rev: 23.12.1
   hooks:
   - id: black
 
@@ -36,7 +36,7 @@ repos:
   - id: isort
 
 - repo: https://github.com/pre-commit/mirrors-mypy
-  rev: v1.7.1
+  rev: v1.8.0
   hooks:
   - id: mypy
     exclude: docs|src/pybase64/__main__.py|conftest.py|tests|setup.py