Downgrade Prettier to stable release

.pre-commit-config.yaml

@@ -67,11 +67,10 @@ repos:
         args: ['-c', 'pyproject.toml']
         additional_dependencies:
           - bandit[toml]
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
+  - repo: https://github.com/pycontribs/mirrors-prettier
+    rev: v3.3.1
     hooks:
       - id: prettier
-        args: ['--single-quote', '--trailing-comma', 'es5']
   - repo: https://github.com/shellcheck-py/shellcheck-py
     rev: v0.10.0.1
     hooks:

.prettierrc.js

@@ -0,0 +1,6 @@
+module.exports = {
+  endOfLine: 'lf',
+  singleQuote: true,
+  trailingComma: 'es5',
+  printWidth: 88,
+};