.pre-commit-config.yaml: switch to rbubley's prettier mirror

.pre-commit-config.yaml

@@ -130,8 +130,9 @@ repos:
   # ensure nothing breaks the rules.
 
   # prettier, opinionated code formatter
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v4.0.0-alpha.8"
+  #- repo: https://github.com/pre-commit/mirrors-prettier
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: "v3.2.5"
     hooks:
       - id: prettier
         # These are handled by Black below or pretty-format-json above