[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 21.11b1 → 21.12b0](psf/black@21.11b1...21.12b0)
- [github.com/pre-commit/mirrors-prettier: v2.5.0 → v2.5.1](pre-commit/mirrors-prettier@v2.5.0...v2.5.1)

.pre-commit-config.yaml

@@ -12,14 +12,14 @@ repos:
 
   # Autoformat: Python code
   - repo: https://github.com/psf/black
-    rev: 21.11b1
+    rev: 21.12b0
     hooks:
       - id: black
         args: [--target-version=py39]
 
   # Autoformat: YAML, JSON, Markdown, etc.
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.5.0
+    rev: v2.5.1
     hooks:
       - id: prettier