Fix MegaLinter JSON Prettier install command

.mega-linter.yml

@@ -30,10 +30,11 @@ FILEIO_REPORTER: false
 
 # Install plugin for list handling.
 JSON_PRETTIER_PRE_COMMANDS:
-  - command: |
-      npm install -g [email protected]
-      npm install --prefix /node-deps/ [email protected]
-    cwd: "workspace"
+  # - command: |-
+  #     npm install -g [email protected]
+  #   cwd: root
+  - command: "npm install [email protected]"
+    cwd: "root"
 
 CLOUDFORMATION_CFN_LINT_CONFIG_FILE: '.cfnlintrc'
 CLOUDFORMATION_CFN_LINT_FILE_EXTENSIONS: [".yml", ".yaml"]

.prettierrc.js

@@ -1,8 +1,8 @@
 module.exports = {
   plugins: [
-    'prettier-plugin-multiline-arrays'
+    './node_modules/prettier-plugin-multiline-arrays'
   ],
   trailingComma: 'es5',
   semi: false,
-  singleQuote: true
-}
+  singleQuote: true,
+};