Correct relative path to formatter configuration file

Author: per1234

arduino-ide-extension/src/node/clang-formatter.ts

@@ -147,7 +147,7 @@ function styleJson({
   UseTab,
 }: ClangFormatOptions): Record<string, unknown> {
   // Source: https://github.com/arduino/tooling-project-assets/tree/main/other/clang-format-configuration
-  const defaultConfig = require('./default-formatter-config.json'); // 1. require the JSON
+  const defaultConfig = require('../../src/node/default-formatter-config.json'); // 1. require the JSON
   return {
     ...defaultConfig,
     TabWidth, // 2. override the default values with the user-defined ones