[pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 21.5b2 → 21.6b0](psf/black@21.5b2...21.6b0)
- [github.com/pre-commit/mirrors-prettier: v2.3.1 → v2.3.2](pre-commit/mirrors-prettier@v2.3.1...v2.3.2)

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ repos:
     hooks:
       - id: reorder-python-imports
   - repo: https://github.com/psf/black
-    rev: 21.5b2
+    rev: 21.6b0
     hooks:
       - id: black
         language_version: python3
@@ -15,7 +15,7 @@ repos:
       - id: trailing-whitespace
       - id: end-of-file-fixer
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v2.3.1"
+    rev: "v2.3.2"
     hooks:
       - id: prettier
         types: [file]