[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 21.10b0 → 21.11b1](psf/black@21.10b0...21.11b1)
- [github.com/asottile/blacken-docs: v1.11.0 → v1.12.0](adamchainz/blacken-docs@v1.11.0...v1.12.0)

.pre-commit-config.yaml

@@ -6,13 +6,13 @@ repos:
         exclude: src/furo/theme/.*|docs/(recommendations|reference/admonitions).md
 
   - repo: https://github.com/psf/black
-    rev: 21.10b0
+    rev: 21.11b1
     hooks:
       - id: black
         language_version: python3.8
 
   - repo: https://github.com/asottile/blacken-docs
-    rev: v1.11.0
+    rev: v1.12.0
     hooks:
       - id: blacken-docs
         additional_dependencies: [black==21.8b0]