message: Create a new object when logging the initial config state
diff: @@ -140,7 +140,7 @@ export function getTSConfig(
  }
  const config = readCompilerOptions(configPath, rootDir);
  - logOnce('Original typescript config before modifications: ', config);
  + logOnce('Original typescript config before modifications: ', { ...config });
  // ts-jest will map lines numbers properly if inlineSourceMap and
  // inlineSources are set to true. For testing, we don't need the
  